18 books in series

Calvin and Hobbes

Calvin and Hobbes is a 18-book series with 18 released primary works first released in 1987 with contributions by Bill Watterson.

Calvin and Hobbes
Something Under the Bed is Drooling
Yukon Ho!
Weirdos from Another Planet!
The Revenge of the Baby-Sat
Scientific Progress Goes "Boink"
Attack of the Deranged Mutant Killer Monster Snow Goons
The Days Are Just Packed
Homicidal Psycho Jungle Cat
There's Treasure Everywhere
It's a Magical World
Exploring Calvin and Hobbes
The Calvin and Hobbes Lazy Sunday Book
The Indispensable Calvin and Hobbes: A Calvin and Hobbes Treasury
The Authoritative Calvin and Hobbes: A Calvin and Hobbes Treasury
The Complete Calvin and Hobbes
The Calvin and Hobbes Tenth Anniversary Book
Calvin and Hobbes: Sunday Pages, 1985-1995