Žádné produkty
Produkt byl úspěšně přidán do nákupního košíku
0 ks zboží. 1 produkt v košíku.
Hledat
Nabízíme
- Nově v nabídce
- Kurzové učebnice
- pro mateřské školy
- Cookie and Friends
- Hippo and Friends
- Playtime
- Jump In!
- Hello Jack / Captain Jack
- Cheeky Monkey
- Super Safari
- My First English Adventure
- Oxford Phonics World
- Show and Tell
- Little Friends
- Here's Patch the Puppy
- My Little Island
- Dex
- Happy Hearts
- Hello Robby Rabbit
- Super Me
- Get Ready! 1
- Zig Zag Island / Magic
- Oxford Beginnings with Cookie
- Show and Tell Second Edition
- Welcome to Our World
- Look and See
- Cambridge Little Steps
- Explore Our World Second Edition
- Mimi´s Wheel
- My Disney Stars and Friends
- Pippa and Pop
- Greenman Second Edition
- Little Blue Dot
- Toy Team
- pro 1. stupeň základních škol
- Happy House Third Edition
- New Happy House
- Happy House
- Happy Street Third Edition
- New Happy Street
- Happy Street
- New Happy Earth
- Happy Earth
- Chit Chat
- Let's Explore / Explore Together
- Our Discovery Island
- Poptropica English
- New Chatterbox
- Chatterbox
- Playway to English Second Edition
- Playway to English
- New English Adventure
- English Adventure
- Incredible English Second Edition
- Incredible English
- Kid's Box Updated Second Edition
- Kid's Box Second Edition
- Kid's Box
- Oxford Discover
- Join Us for English
- Little Bugs
- Big Bugs
- Super Surprise!
- Tiger Time
- Footprints
- English World
- Academy Stars
- Super Minds
- Family and Friends Second Edition
- Family and Friends
- First Friends Second Edition
- First Friends
- Treetops
- Excellent!
- Hello Kids!
- Our World
- New Start with Click
- Macmillan English Quest
- Macmillan English
- Macmillan Next Move
- Mini Magic
- Story Magic
- Smileys
- The English Ladder
- Welcome Plus
- Welcome
- Guess What!
- Primary Colours
- Big English
- Tracks
- Brilliant
- Brilliant Fun
- Yazoo
- Join In
- Here Comes Minibus!
- Happy Trails
- Way Ahead
- New Let's Learn English
- Fairyland
- Everybody Up
- Friends
- Get Ready! 2
- Stardust
- I-Spy
- You and Me
- Zap! B
- Zabadoo!
- Super Me
- Set Sail!
- Sail Away!
- Matt the Bat
- Give Me Five!
- Get Set Go!
- Our World Second Edition
- Global Stage
- Oxford Discover Second Edition
- Power Up
- Guess What!
- Cambridge Primary Paths
- Cambridge Primary Paths
- Explore Our World Second Edition
- Matt the Bat
- Click with Friends
- Look
- Rise and Shine
- Super Minds Second Editon
- Funpark
- Bright Ideas
- English Code
- Kid´s Box New Generation
- Beehive
- Bugs World
- Wonderful World Second Edition
- Shine On!
- My Disney Stars and Heroes
- Academy Stars Second Edition
- Shine Now
- Nutty’s English
- Cambridge Primary Path Second Edition
- Curious Kids
- pro 2. stupeň základních škol
- Project Fourth Edition
- Project Third Edition
- Project
- Hot Spot
- Project Explore
- Go Getter
- MORE! Second Edition
- MORE!
- English Plus Second Edition
- English Plus
- New Challenges
- Challenges
- Your Space
- Discover English
- New Sky
- Next Move
- Motivate!
- Eyes Open
- Spark
- Spin
- World Wonders
- New Inspiration
- Inspiration
- Oxford Heroes
- Way to Win
- English Explorer
- Today!
- Wider World
- Click On
- Enterprise
- Prime Time
- Cosmic
- Upstream
- Access
- Tempo
- Messages
- Adventures
- English Zone
- UPBEAT
- LOOK!
- Got it!
- Energy
- Smart
- Dream Team
- Open Doors
- Look Up
- Shine
- On Screen
- Impact
- Optimise Updated Edition
- Get Involved
- Own It!
- Bloggers
- Time Zones
- Harmonize
- Wider World Second Edition
- My English Way
- Project Explore Upgraded
- Project Fourth Edition Upgraded
- iSucceed in English
- Flash on English
- New Enterprise
- Bloggers New
- Impact Second Edition
- pro střední školy
- Maturita Solutions Third Edition
- Maturita Solutions Second Edition
- Maturita Solutions
- New Headway Fourth Edition
- New Headway Third Edition
- New Headway Second Edition
- English File Third Edition
- New English File
- Insight
- Maturita Focus
- New Opportunities
- Opportunities
- New Success
- Success
- New Horizons
- Horizons
- Gateway to Maturita Second Edition
- Gateway Second Edition
- Gateway
- Choices
- Straightforward Second Edition
- Straightforward
- Real Life
- Prepare!
- New Matrix
- Matrix
- Think
- Innovations
- English in Mind Second Edition
- English in Mind
- Maturita in Mind
- English World Secondary Levels
- Chill Out
- Interactive
- Beyond
- English Insights
- Flash on English
- Close-Up
- New Snapshot
- New Hotline
- New Streetwise
- Activate!
- Laser Third Edition
- First Choice
- Communicate
- Time to Talk
- Smart Choice
- Twist!
- Eurolingua English
- Upload
- On Screen
- Life Second Edition
- Close-up Second Edition
- English File Fourth Edition
- New Headway Fifth Edition
- Prepare Second Edition
- Focus Second Edition
- High Note
- Oxfrod Discover Futures
- Think Second Edition
- Life Vision
- Insight Second Edition
- Gateway to the World
- New Close-up
- English File Fifth Edition
- L
- Life Third Edition
- pro jazykové školy a univerzity / pro dospělé
- English File Third Edition
- New English File
- Face2face Second Edition
- Face2face
- New Headway Fourth Edition
- New Headway Third Edition
- New Headway Second Edition
- Navigate
- Speakout Second Edition
- Speakout
- New Inside Out
- Inside Out
- Cutting Edge Third Edition
- New Cutting Edge
- Straightforward Second Edition
- Straightforward
- Global
- Life
- English for Life
- English Unlimited
- New Total English
- Total English
- English Result
- Empower
- Open Mind
- Keynote
- World English Second Edition
- World English
- Interchange Fourth Edition
- Interchange
- Skills and Language for Study
- Listening and Notetaking Skills
- Move
- Holiday Explorer
- New Language Leader
- Language Leader
- Oxford EAP
- Headway Academic Skills
- Cambridge Academic English
- Academic Connections
- EAP Now!
- The New Cambridge English Course
- Laser Third Edition
- Landmark
- New Cambridge Advanced English
- Language to go
- Lifelines
- TOP NOTCH
- Clockwise
- Four Corners
- Pathways
- Natural English
- Outcomes
- Wishes
- In English
- Reward
- Skillful
- Outcomes Second Edition
- Global Revised Edition
- Language Hub
- Wolrd English Third Edition
- Evolve
- Roadmap
- Empower Second Edition
- Voices
- Speakout Third Edition
- Speakout Third Edition
- Outcomes Third Edition
- Interchange Fifth edition
- pro mateřské školy
- příprava na jazykové zkoušky
- Young Learners English Tests
- Cambridge English Key (KET)
- Cambridge English Key for Schools
- Cambridge English Preliminary (PET)
- Cambridge English Preliminary for Schools
- Cambridge English First (FCE)
- Cambridge English First for Schools
- Cambridge English Advanced (CAE)
- Cambridge English Proficiency (CPE)
- BEC (Business English Certificates)
- BULATS (Business Language Testing Service)
- TKT (Teaching Knowledge Test)
- IELTS (International English Language Testing System)
- TOEIC (Test of English for International Communication)
- TOEFL (Test of English as a Foreign Language)
- City&Guilds IESOL a ISESOL
- CELTA
- Linguaskill
- Doplňkové materiály
- Zjednodušená četba
- Young Readers
- Easystarts
- Beginner
- Penguin Readers & Pearson English Readers (300 headwords)
- Macmillan Readers (600 headwords)
- Oxford Bookworms Starter (250 headwords)
- Oxford Dominoes Quick Starter & Starter (250 headwords: A1)
- Oxford Read and Imagine 1 (300 headwords)
- Oxford Read and Discover 1 (300 headwords)
- Cambridge Discovery Education Interactive Readers: Beginning A1 (400 headwords)
- Cambridge Discovery Education Interactive Readers: High Beginning A1+ (450 headwords)
- Cambridge English Readers: Beginner / Elementary
- Cambridge Discovery Readers: Beginner / Elementary
- Black Cat - Easyread Level 1 (300 headwords)
- Delta - Adventures in English
- Penguin Readers (graded readers)
- Young Eli Readers A1/A1.1
- Usborne English Readers
- Scholastic Readers Level Beginners (300 headwords)
- Elementary
- Penguin Readers & Pearson English Readers (600 headwords)
- Macmillan Readers (1100 headwords)
- Oxford Bookworms 1 (400 headwords)
- Black Cat - Easyread Level 2 (400 headwords)
- Oxford Dominoes 1 (400 headwords: A1- A2)
- Cambridge English Readers: Elementary / Lower-Intermediate
- Scholastic Readers Level 1 Elementary (600 headwords)
- Cambridge Discovery Readers: Elementary / Lower-intermediate
- Oxford Read and Discover 2 (450 headwords)
- Oxford Read and Discover 3 (600 headwords)
- Collins English Readers A2
- Cambridge Discovery Education Interactive Readers: A2 (700 Headwords)
- Oxford Read and Imagine 2 (450 headwords)
- Oxford Read and Imagine 3 (600 headwords)
- Penguin Readers (graded readers)
- Usborne English Readers (Elementary)
- Global ELT Graded Readers A2
- Young Eli Readers A2
- Teen Eli Readers A1 (600 headwords)
- Young Adult Eli Readers A1 (600 headwords)
- Pre-intermediate
- Penguin Readers & Pearson English Readers (1200 headwords)
- Oxford Bookworms 2 (700 headwords)
- Black Cat (A2)
- Black Cat (B1.1)
- National Geographic Footprint Readers A2 (800 headwords)
- National Geographic Footprint Readers: A2 (1000 headwords)
- Cambridge English Readers 3: Lower-Intermediate
- Oxford Dominoes 2 (700 headwords: A2 - B1)
- Macmillan Readers (1400 headwords)
- Scholastic Readers Level 2 Pre-Intermediate - Intermediate (1000 Headwords)
- Oxford Read and Discover 4 (750 headwords)
- Oxford Read and Discover 5 (900 headwords)
- Cambridge Discovery Readers: Lower-intermediate
- Computer Press Krimi angličtina
- Cambridge Discovery Education Interactive Readers: A2+ (900 headwords)
- Collins English Readers A2-B1
- Oxford Read and Imagine 4 (750 headwords)
- Oxford Read and Imagine 5 (900 headwords)
- Penguin Readers (graded readers)
- Easy Reading A2/KET Flyers
- Usborne English Readers (Pre-intermediate)
- Global ELT Graded Readers A2+
- Ladybird Readers
- Teen Eli Readers A2 (800 headwords)
- Young Adult Eli Readers A2 (800 headwords)
- Intermediate
- Penguin Readers & Pearson English Readers (1700 headwords)
- Macmillan Readers (1600 headwords)
- Oxford Bookworms 3 (1000 headwords)
- Oxford Bookworms 4 (1400 headwords)
- Black Cat (B1.2)
- Classical Comics Readers
- National Geographic Footprint Reading B1 (1600 headwords)
- National Geographic Footprint Reading B1 (1300 headwords)
- Oxford Dominoes 3 (1000 headwords: B1)
- Cambridge English Readers 4: Intermediate
- Scholastic Readers Level 3 (1500 Headwords)
- Cambridge Discovery Readers: Intermediate
- Cambridge Discovery Education Interactive Readers: B1 (1200 headwords)
- Cambridge Discovery Education Interactive Readers: B1+ (1400 headwords)
- Collins English Readers B1
- Oxford Read and Discover 6 (1050 headwords)
- Oxford Read and Imagine 6 (1050 headwords)
- Penguin Readers (graded readers)
- Usborne English Readers
- Teen Eli Readers B1 (1000 headwards)
- Young Adult Eli Readers B1 (1000 headwords)
- Upper-intermediate
- Penguin Readers & Pearson English Readers (2300 headwords)
- Macmillan Readers (2 200 headwords)
- Oxford Bookworms 5 (1800 headwords)
- Black Cat (B2.1)
- Black Cat (B2.2)
- National Geographic Footprint Reading B2 (2200 headwords)
- National Geographic Footprint Reading B2 (1900 headwords)
- Cambridge English Readers 5: Upper-Intermediate
- Scholastic Readers Level 4 Upper-intermediate (2000 headwords)
- Cambridge Discovery Readers: Upper-intermediate
- Collins English Readers B2
- Cambridge Discovery Education Interactive Readers: B2 (1800 headwords)
- Cambridge Discovery Education Interactive Readers: B2+ (2000 headwords)
- Penguin Readers (graded readers)
- Global ELT Graded Readers B2
- Young Adult Eli Readers B2 (1800 headwords)
- Black Cat Interact with Literature
- Advanced
- Penguin Readers & Pearson English Readers (3000 headwords)
- Oxford Bookworms 6 (2500 headwords)
- Black Cat (C1)
- Macmillan Literature Collections (C2)
- National Geographic Footprint Readers C1 (2600 headwords)
- National Geographic Footprint Readers C1 (3000 headwords)
- Cambridge English Readers 6: Advanced
- Cambridge Discovery Readers: Advanced
- Oxford Bookworms Collection
- Penguin Readers (graded readers)
- Global ELT Graded Readers C1
- Young Adult Eli Readers C1/C2 (2500 headwords)
- Black Cat Reading Classics C1-C2
- Teen Eli Readers
- Dvojjazyčná literatura
- Oxford Reading Tree
- Beletrie v angličtině
- Klasika
- Moderní
- Detektivky, thrillery, horory
- Sci-fi a fantasy
- Humor
- Romantika, romány pro ženy
- Historická a válečná próza
- Překlady českých autorů
- Young Adults
- Pro děti
- Leporela
- Interaktivní knihy LeapFrog
- Komiksy / graphic novels
- Audiobooks
- Poezie
- Zlevněná beletrie / non-fiction
- Rande naslepo s knihou
- Mangy
- Non-fiction
- Osobnosti, memoáry, biografie
- Cestopisy, průvodce
- Ekonomie, ekonomika, business
- Politika
- Historie
- Motivační a duchovní literatura, psychologie, filosofie
- Domácnost, hobby, vaření
- Hudba, divadlo, film, umění
- Sport
- IT, média
- Pro anglofily
- Věda, technika
- Humor, citáty
- Ostatní non-fiction
- Omalovánky pro dospělé i pro děti
- Encyklopedie pro děti i pro dospělé
- Slovníky
- Materiály pro učitele
- Metodické knihy pro učitele
- Materiály na CLIL
- obchodní angličtina
- Kurzové učebnice - obchodní angličtina
- Business Benchmark Second Edition
- Business Benchmark
- Market Leader Third Edition
- New Market Leader
- Market Leader
- Business Advantage
- The Business 2.0
- The Business
- Business Result Second Edition
- Business Result
- In Company Third Edition
- In Company Second Edition
- In Company
- International Express Third Edition
- International Express Interactive Edition
- International Express
- Intelligent Business
- Career Paths
- Lifestyle
- Business English for Beginners
- Business Venture Third Edition
- English for Business Studies Third Edition
- Get Ready For International Business
- Business one:one
- Business Basics
- Business Objectives
- Business Focus
- Big City
- New International Business
- English 365
- Best Practice
- Survival English
- English for Business Communication
- First Insights into Business
- New Insights into Business
- Handshake
- Commercially Speaking
- Head for Business
- Powerbase
- Profile
- Quick Work
- Business Vision
- Business Goals
- Business Options
- Business Opportunities
- Business Partner
- Market Leader Third Edition Extra
- Doplňkové materiály - obchodní angličtina
- Kurzové učebnice - obchodní angličtina
- odborná angličtina
- Bankovnictví & Finance & Účetnictví
- Cestovní ruch
- Hotelnictví & Gastronomie
- Informační technologie
- Sales & Marketing & Media
- Medicína
- Právo
- Komunikace & Péče o zákazníky
- Lidské zdroje
- Věda & Stojírenství & Technologie
- Logistika & Námořní doprava
- Letectví
- Ropný průmysl
- Životní prostředí
- Řemesla
- Zemědělství & Lesnictví & Rybolov
- Armáda & Policie & Loďstvo
- Sport
- Žurnalistika
- Móda & Kadeřnictví & Kosmetika
- Au pair & Učitelství
- Angličtina pro EU
- Pojišťovnictví
- Management
- Art & Design & Architektura
- Odborné slovníky
- eBooks & Online materiály
- Video / DVD
- Lingvistika
- Czech for Foreigners
- Ostatní jazyky
- TITULY V AKCI - sleva nad 15%
- Vánoční tituly pro děti
- Dárkové poukazy
Katalog
Beginner Počet produktů: 384
Podkategorie
Penguin Readers & Pearson English Readers (300 headwords)
Macmillan Readers (600 headwords)
Oxford Bookworms Starter (250 headwords)
Oxford Dominoes Quick Starter & Starter (250 headwords: A1)
Oxford Read and Imagine 1 (300 headwords)
Oxford Read and Discover 1 (300 headwords)
Cambridge Discovery Education Interactive Readers: Beginning A1 (400 headwords)
Cambridge Discovery Education Interactive Readers: High Beginning A1+ (450 headwords)
Cambridge English Readers: Beginner / Elementary
Cambridge Discovery Readers: Beginner / Elementary
Black Cat - Easyread Level 1 (300 headwords)
Delta - Adventures in English
Penguin Readers (graded readers)
Young Eli Readers A1/A1.1
Usborne English Readers
Scholastic Readers Level Beginners (300 headwords)
- 264 Kč
310 Kč -15%Your Dream Vacation + Online... Your Dream Vacation + Online Access
How do you want to spend your vacation? Relaxing on a beach, whitewater rafting, at the carnival in Rio? Dream about your perfect vacation as you read! Cambridge Discovery Education Interactive Readers are the next generation of graded readers - captivating topics, high-impact video, and interactive exercises designed to motivate and engage. These 96...
Sleva!3-5 dní - 264 Kč
310 Kč -15%Deadly Animals + Online Access Deadly Animals + Online Access
Sharks, puffer fish, polar bears, and the world's deadliest animal - the mosquito. Learn all about deadly animals, both big and small. Cambridge Discovery Education Interactive Readers are the next generation of graded readers - captivating topics, high-impact video, and interactive exercises designed to motivate and engage. These 96 leveled (A1-B2+),...
Sleva!2-3 týdny - 264 Kč
310 Kč -15%Are You Listening? The Sense... Are You Listening? The Sense of Hearing +...
What do you really know about the sense of hearing? Learn all about the science of sound, the crazy noises animals make, and the loudest and quietest places on Earth. Cambridge Discovery Education Interactive Readers are the next generation of graded readers - captivating topics, high-impact video, and interactive exercises designed to motivate and...
Sleva!3-5 dní - 199 Kč
234 Kč -15%Pearson English Readers:... Pearson English Readers: Sadie's Big Day at the...
The team arrives for another day at the office. The workers are happy, but their bosses have a surprise for them. Is it going to be a nice surprise—or not?
Sleva!3-5 dní - 186 Kč
207 Kč -10%Oxford Dominoes: The Bottle Imp Oxford Dominoes: The Bottle Imp
OXFORD DOMINOES: Four-level graded readers series, perfect for reading practice and language skills development at upper-primary and lower-secondary levels. Dominoes is a full-colour series that offers students a fun reading experience while building their language skills. With integrated activities, the new edition of the series makes reading...
Sleva!2-3 týdny - 219 Kč
243 Kč -10%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Ben's Big Swim...
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Audio in a choice...
Sleva!2-3 týdny - 144 Kč
169 Kč -15%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Clunk in Space
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Audio in a choice...
Sleva!2-3 týdny - 219 Kč
243 Kč -10%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Clunk in Space...
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Ben and Rosie want...
Sleva!2-3 týdny - 107 Kč
119 Kč -10%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Clunk in Space...
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Audio in a choice...
Sleva!2-3 týdny - 152 Kč
169 Kč -10%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Rainforest Rescue
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Audio in a choice...
Sleva!2-3 týdny - 207 Kč
243 Kč -15%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Rainforest...
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Audio in a choice...
Sleva!2-3 týdny - 152 Kč
169 Kč -10%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Robbers at the...
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Audio in a choice...
Sleva!2-3 týdny - 107 Kč
119 Kč -10%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Robbers at the...
Oxford Read and Imagine graded readers are at eight levels (Starter, Beginner, and Levels 1 to 6) for students from age 4 and older. They offer great stories to read and enjoy. Activities provide Cambridge Young Learner Exams preparation. At Levels 1 to 6, every storybook reader links to an Oxford Read and Discover non-fiction reader. Audio in a choice...
Sleva!2-3 týdny - 169 Kč
199 Kč -15%Cambridge Discovery Readers:... Cambridge Discovery Readers: Spider Boy +...
This award-winning graded readers series is full of original fiction, adapted fiction and factbooks especially written for teenagers. Kieran loves insects, and in particular spiders. He finds everything about them fascinating and there isn't much he doesn't know about them. When he's studying spiders, Kieran feels happy and confident. The rest of Kieran's...
Sleva!3-5 dní - 186 Kč
207 Kč -10%Oxford Dominoes: Sherlock... Oxford Dominoes: Sherlock Holmes - The Speckled...
OXFORD DOMINOES: Four-level graded readers series, perfect for reading practice and language skills development at upper-primary and lower-secondary levels. Dominoes is a full-colour series that offers students a fun reading experience while building their language skills. With integrated activities, the new edition of the series makes reading...
Sleva!2-3 týdny - 152 Kč
169 Kč -10%Oxford Read and Imagine Level... Oxford Read and Imagine Level 1: Monkeys in School
Sleva!2-3 týdny
© 4WORKS Solutions