The Times Ultimate Killer Su Doku: 120 of the deadliest Su Doku puzzles
(9780007326631) - Dimensions: 198 x 129 x 14 mm - ISBN: 9780007326631 - Number of pages: 224 - HarperCollins Publishers - Weight: 160 g | Su Doku, Killer Su Doku, Times Su Doku, Killer collection, Killer puzzles

