Sit & Solve® Double Black Diamond Hard Sudoku

Warning: danger ahead! These treacherously tough puzzles all require upper-level solving techniques to conquer. So, if you want hard sudoku thats easy to take on the go, this Sit & Solve® collection is the ticket. Attractively packaged, its a terrific gift or stocking stuffer for hardcore sudoku fans.

ISBN10:	1454906995
ISBN13:	9781454906995
Number Of Pages:	96
Publication Date:	20130507
Publisher:	Sterling
Binding:	Paperback

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SKU: 9781454906995

Retail price: $5.95

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Warning: danger ahead! These treacherously tough puzzles all require upper-level solving techniques to conquer. So, if you want hard sudoku thats easy to take on the go, this Sit & Solve® collection is the ticket. Attractively packaged, its a terrific gift or stocking stuffer for hardcore sudoku fans.