World's 10 Top-selling Products of all Time

Harry Potter:

A series of fantasy novels written by the British writer J K Rowling, Harry porter with over 450 million units sold all over the world, is the best-selling books series in the history and they were the fastest-selling books also.

The books tell the stories of the adventures of a wizard, Harry Potter and his friends Ronald Weasley and Hermione Granger, who are the students at Hogwarts School of Witchcraft and Wizardry.

Since the release of the first novel in the series, Harry Potter and the Philosopher’s Stone in June 1997, the books have gained massive popularity among people of all ages and it also had critical acclaim and commercial success worldwide.

So far this series has been translated into 73 languages. The series has also made movies that could trigger similar success in the box-office.

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