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.