The 'Harry Potter' book series is officially 20 years old.

The 'Harry Potter' book series is officially 20 years old.

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'Harry Potter' Turns 20

Believe it or not, the world almost missed out on Harry Potter. Author J.K. Rowling has told the story of how she received "loads" of rejections before "Harry Potter and the Philosopher's Stone" (known in the U.S. as "Harry Potter and the Sorcerer's Stone") was finally published on June 26, 1997.