Download or read book Big Book of Ultimate Killer Su Doku Book 1 written by Richardson Puzzles and Games and published by . This book was released on 2020-09-03 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Perfect for coffee breaks, commutes or relaxing at home, this bumper collection of 300 brand new ultimate killer sudoku puzzles is guaranteed to provide you with hours of entertainment. 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.