The Mensa Collection Author:Peter Gordon, George Bredehorn, Fred Piscop, Bernardo Recaman Santos The Mensa Collection includes 4 paperback books bundled together in a glossy blue slipcase. — Challenging Brainteasers - by Bernardo Recaman Santos - isbn: 0806928778 — Cryptic Crosswords & How to Solve Them - by: Fred Piscop - isbn: 0806977515 — Ingenious Puzzles Word Lover - by: George Bredehorn - isbn: 0806935405 — Match Wits with American Mensa ... more »- by: Peter Gordon - isbn: 080691243x