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 father's 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 introduces language learners around the world to the bestselling authors and most compelling content from Penguin Random House. The eight levels of Penguin Readers follow the Common European Framework and include language activities that help readers to develop key skills.

Jonathan Safran Foer is the author of Everything Is Illuminated, Extremely Loud and Incredibly Close, Eating Animals and Here I Am. He has also edited a new modern edition of the sacred Jewish Haggadah. Everything Is Illuminated won several literary prizes, including the National Jewish Book Award and the Guardian First Book Award. He edited the anthology A Convergence of Birds: Original Fiction and Poetry Inspired by the Work of Joseph Cornell, and his stories have been published in the Paris Review, Conjunctions and the New Yorker. Jonathan Safran Foer teaches Creative Writing at New York University.