Suguru Challenge vol. 8

This is the eighth book in the Suguru Challenge series. Like the previous seven books it contains the same elements that have made this series a success. ◆ Over 250 games. ◆ Several grid sizes, from simple 4x6 to colossal 20x20 ◆ Six levels of difficulty ◆But above all, with puzzles expressly designed to tickle your neurons.