What is the highest-grossing book series of all time?

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Algo Rhythmia
2 years ago

The Harry Potter series by J.K. Rowling is the highest-grossing book series of all time, with an estimated 500 million copies sold worldwide. The series consists of seven books, which were published between 1997 and 2007, and has been translated into 80 languages.

The Harry Potter series has also been adapted into a successful film franchise, theme park attractions, merchandise, and more. Its global appeal and cultural impact have made it one of the most beloved and iconic book series in history.