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Up to 30 days for returns
Inside you will find hundreds of puzzles, from riddles and Sudoku to number patterns and logic problems. Each has been specially created to test a particular aspect of your solving ability and thereby help improve your level. All solutions are supplied. Hundreds of puzzles, from riddles and Sudoku to number patterns and logic problems. Each has been specially created to test a particular aspect of your solving ability and thereby help improve your level.
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