1. The Youngest Person to Write a Published Book
Dorothy Straight wrote the book How the World Began, which was published in 1962, at the age of only 4 years old.
2. Fastest Selling Book
Harry Potter and the Deathly Hallows sold 8.3 million copies in the first 24 hours of being published. That means that it was sold at a rate of 345,833 books per hour.
3. Highest Earning Children's Author
J.K. Rowling earned $300 million in 2007-2008.
4. Largest Collection of Miniature Books
Sathar Adhoor of India owns 3,137 miniature books, the smallest of which has a 1 cm height and 1 cm width.
5. Longest Audiobook
50 Lectures by Takaaki Yoshimoto has a length of 115 hours and 43 minutes, making it the longest audiobook in the world.
6. Most Translated Book in the World
The Bible is the most translated book in the world, as a whole (the Old Testament and New Testament together), it has been translated into about 670 languages.