Collins Su Doku – Big Book of Su Doku 10

Overview

A bumper collection of easy, medium and difficult Su Doku puzzles to test your mental dexterity, powers of logic and deduction. You will find 100 easy, 100 medium and 100 hard puzzles in this latest collection so you can gauge your progression through the difficulty levels. Are you ready for the test?

Author Biography

Collins has been publishing educational and informative books for almost 200 years. Throughout this rich heritage we have maintained an impressive record in creating market-leading products across various sectors.