* Confidential: Sales figures for books are usually considered private business information.
* Complex: Earnings are affected by many factors, including:
* Sales of each book individually
* Sales of the entire series
* Translations into different languages
* Movie adaptations
* Merchandise (like toys, clothing, etc.)
However, we can say with certainty that *Diary of a Wimpy Kid* has been an enormous success. The books have sold millions of copies worldwide, making them a global phenomenon.
Here are some indicators of their financial success:
* Multiple #1 Bestsellers: Many of the books reached the top of bestseller lists.
* Multiple Movie Adaptations: The popularity of the books led to a successful movie franchise.
* Continued Popularity: The series continues to sell well, and new books are still being published.
While we can't give a precise number, the *Diary of a Wimpy Kid* series has been a significant financial success.