More than 200 never-before-seen Killer Sudoku of a progressive level of difficulty, complete with an introduction and full solutions.
Dimensions: 198 x 128 x 21
Author: Gareth Moore | Mensa Ltd
ISBN: 9781802791846
Format: Paperback
Pages: 288
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Mensa Killer Sudoku More Than 200 of the Most Difficult Number Puzzles