Definitions for "Gamebook"
an adventure divided into many parts, a work of interactive fiction that allows you to make choices as to how you might wish to proceed within the story
a work of interactive fiction that allows the reader to make choices about the path they wish to take within a story
A gamebook is a book with a branching plot that serves as a medium for gameplay. The term "gamebook" is also used in reference to sourcebooks for other games, such as role-playing games.