The Times Bumper Book of Fiendish Su Doku book 1 - 360 Challenging Su Doku Puzzles

Get ready for a full-on number and logic challenge!More challenging than standard Su Doku, requiring solid logic and no luck360 puzzles in one super-sized editionSelected from the pages of The TimesHours of entertainment for all number puzzle enthusiastsContains 30 Super Fiendish puzzlesPuzzles in this collection are taken from Times Fiendish Su Doku Books 1, 2 and 3.