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Improve your memory, sharpen your mind and have some fun with Hinkler’s selection of Sudoku books for adults! Developed in consultation with highly regarded puzzle creators, these collections of Sudoku puzzle books for adults and other number puzzles include comprehensive instructions for each type of number game, as well as solutions so you can check your work. There’s a wide range of formats, from large-print to compact and travel-ready, and most titles feature a range of difficulty levels, so no matter your age, skill level or preferred puzzling location, Hinkler has you covered!