Code puzzle | Recreational
OUP Oxford (9780192769541) | Bond Brain Training
Floris Books (9781782505686) | Games and activities, Fun with Maths Puzzles, Steiner-Waldorf Teachers, Maths Teachers, Maths Games
Times Books UK (9780008404192) | Su Doku
Times Books UK (9780008404345)
Puzzlewright (9781402739330)
Unleash your brainpower with "The Times Big Book of Ultimate Killer Sudoku": a collection of 360 challenging puzzles designed to test and entertain. Perfect for enthusiasts seeking a thrilling mental workout!
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