Creating a roundup of the 25 best-selling books of all time is harder than it sounds ... with a few self-imposed rules: We're doing literary fiction only. That means religious texts, self-help ...

We’re living in a golden age of young-adult literature ... With their help, we’ve created two all-time lists of classics: 100 Best Young-Adult Books and 100 Best Children’s Books.

Angie Thomas and Nicola Yoon—TIME presents the most compelling, enlightening and influential young-adult books, in chronological order beginning in the 1800s Firekeeper's Daughter ...