The series is popular with more than 70 million copies sold in 37 languages.

His 11 books have sold more than 28 million copies in 17 languages.

The book has sold more than 1.5 million copies, in 18 languages.

Her works sold more than five million copies in 24 languages.

Her books have sold 85 million copies in 52 languages.

The books have sold 11 million copies in 12 languages.

His 12 books have sold more than 8 million copies in 17 languages.

Together they have sold more than three million copies in 18 languages.

The book has sold more than 15 million copies in 20 languages.

Her books continue to sell well around the world, in many different languages.