Oskar Shell is a clever nine-year-old boy. When his father is killed in the attacks on the World Trade Center on September 11th 2001, Oskar wants to learn the secret about a key that he discovers in his fathers closet. His search takes him on a journey through New York and into the lives of strangers and relatives. But will it bring him any closer to his lost father?

Penguin Readers is a series of popular classics, exciting contemporary fiction, and thought-provoking non-fiction written for learners of English as a foreign language. Beautifully illustrated and carefully adapted, the series...