Mind-melting Sudoku Bücher für Erwachsene, Taschenbuch von Senor Sudoku, wie neu verwendet...
Mind-melting Sudoku Books for Adults, Paperback by Senor Sudoku, ISBN 1645215032, ISBN-13 9781645215035, Like New Used, Free shipping in the US Warning: the Sudoku puzzles in this book will stress you out but in a good way. Wait, what? Yes, there is such a thing as good stress. It is make-believe stress that will slowly transition to a noticeable feeling of happiness and self-confidence. Sudoku is a numbers game so you're not solving real-life problems. Weave in and out of the Su
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