Gardner, Martin. The Universe in a Handkerchief Lewis Carroll's Mathematical Recreations, Games, Puzzles, and Word Plays / [electronic resource] : by Martin Gardner. - New York, NY : Martin Gardner, 2005. - 158 p. : ill., digital . 23 cm. ISBN: 9780387289526 (electronic bk.) 9780387256412 (paper) Subjects--Topical Terms: Mathematics.Mathematics, general. Dewey Class. No.: 793