N1. Harry Potter and the Deathly Hallows: Part 2: $1.34 Billion
And the highest-grossing book adaptation is Harry Potter. This is the seventh and final novel of the Harry Potter series, written by J.K. Rowling.
Released on 21 July 2007 by Bloomsbury Publishing in the United Kingdom, J.K. Rowling finished writing Harry Potter and the Deadly Hallows in January 2007.
Released globally in 93 countries, Deathly Hallows broke sales records as the fastest-selling book ever, a record it still held in 2012.
It sold 15 million copies in the first 24 hours following its release, including more than 11 million in the U.S. and UK alone. The previous record, 9 million in its first day, had been held by Harry Potter and the Half-Blood Prince. The novel has also been translated into over 120 languages, including Ukrainian and Hindi.
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