Fred Coughlin

Massive Book of Mensa® Puzzles (4 Books in 1!) is the biggest compilation book of puzzles ever released by Mensa—the smartest brand in the world! This collection includes 400 brain-teasers and logic games designed to keep your mind sharp. Esteemed puzzle master David Millar and American Mensa have compiled a vast array of logic and problem-solving puzzles, encompassing both word...