The Universe in a Handkerchief: Lewis Carroll’s Mathematical Recreations, Games, Puzzles, and Word Plays Autor Martin Gardner 7 oct 1998 Hardback Preț: 202.67 lei 3-5 săpt.
The Last Recreations: Hydras, Eggs, and Other Mathematical Mystifications Autor Martin Gardner 27 feb 2007 Paperback Preț: 162.05 lei 3-5 săpt.