107 pages packed with crossnumber puzzles, tips and tricks for solving them, a chapter about creating your own puzzles, and a useful appendix containing number lists (primes, squares, etc.) which help you concentrate on the fun part of solving puzzles.

This book is a combination of volumes 1 and 2. You might therefore not want to buy this book in combination with volume 1 or 2. But buying this book instead of volumes 1 and 2 makes a lot of sense.

Click here to order the paperback version at Lulu.com. 107 pages, $19.90

Or download it for just $10.99.

Preview

72 pages packed with crossnumber puzzles, tips and tricks for solving them, and a useful appendix containing number lists (primes, squares, etc.) which help you concentrate on the fun part of solving puzzles. Here is some sample content.

Click here to order the paperback version at Lulu.com. 72 pages, $9.98

Or download it for just $4.99.

This book contains new puzzles, for example hybrids of Sudokus and crossnumber puzzles (Sudokus without any numbers given as starting points, but instead crossnumber-like clues; see the preview for more details).

An important part of this book is a step-by-step explanation of how to create puzzles such as this one.

Click here to order the paperback version at Lulu.com. 58 pages, $9.99

Or download it for just $7.49.