Category - Non Fiction / Body, Mind & Spirit

Format - Paperback

Condition - New

Listed - A year ago

Ships From - Pennsylvania

Est. Publication Date - Oct 1994

Additional Information

Mindstretching Puzzles

Publisher Description

Give your brain the kind of workout that will make you sharper, smarter, a better problem solver. Introducing the strange new world of cryptarithms, alphametics, simultaneous equations, and layered th...