From wikipedia:

Harry Potter and the Deathly Hallows is the seventh and final of the Harry Potter novels written by British author J. K. Rowling. The book was released on 21 July 2007, ending the series that began in 1997 with the publication of Harry Potter and the Philosopher’s Stone. This book chronicles the events directly following Harry Potter and the Half-Blood Prince (2005), and leads to the long-awaited final confrontation between Harry Potter and Lord Voldemort.

Its chapters are helpfully numbered 1 to 36.

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