Mensa's Most Difficult Logic Problems
Mensa's Most Difficult Logic Problems provides an exceptional challenge for even the most adept of puzzlers.
Sound reasoning and logical thinking are foundations of all types of puzzle solving, and you will need to be first-rate at both to tackle these tasks successfully. Featuring a wide range of logic puzzles, such as sudoku, this colourful puzzle book will keep you entertained for hours. Are you up to the challenge?