Chapter Book: The Definition

Definition: chapter book Generally, a children's book that is long enough to be split into chapters, yet not long enough or deep enough to be identified as a novel, is known as a "chapter book." Chapter books are often illustrated, but not anywhere nearly as much as a picture book. Chapter books tend to be particularly popular with 7-10 year-olds as transitional books between beginning reader books and novels. Chapter books also tend to appeal to reluctant readers of all ages.