Perfect for coffee breaks, commutes or relaxing at home, this collection of 200 brand new Ultimate Killer Su Doku puzzles is guaranteed to provide you with a daily challenge.
Each puzzle is presented in a 9 x 9 grid on its own page.
Printed in a portable paperback format meaning it can be taken with you on your travels or sit neatly on your bedside table – each book is 198mm high, 129mm wide and 240 pages long.
Ultimate Killer Su Doku Book 1
When you purchase one of Richardson Publishing Group's puzzle books you make great things happen - at least 50% of our profits for to charitable projects around the world.
Our puzzles are created by the best authors and setters, so you can be assured you are purchasing a book containing the highest quality content.
We believe in the value of producing beautiful physical books and think carefully about their design and the materials we use.
We are also committed to only working with ethical and responsible suppliers and supporting the environment - we print all our books in the UK using paper from FSC sources.