The Times Ultimate Killer Su Doku Book 10: 200 of the Deadliest Su Doku Puzzles

by The Times

Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you "warm up" with the 150 Deadly Killer puzzles before steeling yourself to take on the 50 Extra Deadly Su Dokus. Are you ready for the challenge? These are not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element...

• Format: Paperback
• Language: English
• ISBN: 0008241198
• ISBN13: 9780008241193
• Release Date: May 2018
• Publisher: Collins
• Length: 288 Pages
• Weight: 0.20 lbs.
• Dimensions: 0.8" x 5.0" x 7.7"