Watterson, Bill. The essential Calvin and Hobbes : a Calvin and Hobbes treasury / Bill Watterson. - Kansas City : Andrews and McMeel, c1988. - 254 p. : all ill. (some col.) ; 29 cm. ISBN: 0836218094 0836218051 (pbk.) 9781449472337 (hardcover) LCCN: 88071105 LC Class. No.: 741.5973