Newly arrived from Ghana with his mother and older sister, eleven-year-old Harrison Opoku lives on the ninth floor of a block of flats on an inner-city housing estate. The second best runner in the whole of Year 7, Harri races through his new life in his personalised trainers - the Adidas stripes drawn on with marker pen - blissfully unaware of the very real threat all around him. With equal fascination for th