What could be more appealing to Mensa members--or anyone who enjoys a good challenge--than a cunning test of intelligence and logic? That's exactly what these 2

Kakuro are language-free number puzzles that use logic and require just simple arithmetic to solve. This book contains 150 kakuros. It takes cue from the belt c

The puzzle phenomenon keeps on growing with this collection of 150 puzzles that can be done in just a few minutes. Original.

Kakuro are language-free number puzzles that use pure logic and require just simple arithmetic to solve. This book contains 150 kakuros. It takes cue from the b

Kakuro are language-free number puzzles that use pure logic and require just simple arithmetic to solve. This book contains 150 kakuros. It takes cue from the b