The Reason I Jump

The Reason I Jump: One Boy's Voice from the Silence of Autism (Japanese: 自閉症の僕が跳びはねる理由～会話のできない中学生がつづる内なる心～, Hepburn: Jiheishō no Boku ga Tobihaneru Riyū ~Kaiwa no Dekinai Chūgakusei ga Tsuzuru Uchinaru Kokoro~) is an autobiography by Naoki Higashida, a largely nonspeaking autistic person from Japan. It was first published in Japan in 2007. The English translation, by Keiko Yoshida and her husband, the English author David Mitchell, was published in 2013, with an introduction by the translators.

The book states that its author, Higashida, learned to communicate using an alphabet grid. There has been some controversy over his authorship.

The book became a New York Times bestseller and a Sunday Times bestseller for hardback nonfiction in the UK. It has been translated into over 30 other languages, and inspired a play from the National Theatre of Scotland and a feature documentary.