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Title: Seriously? You think this is tough?
Review: When I get a sudoku book I like to try the first few puzzles and then jump to the back and see how hard the last puzzle is. In this collection, the last (regular) puzzle is every bit as hard as the first three puzzles; which is to say, not at all. There are sudoku book out there with some tough puzzles, this is not one of them. It might make a good book for the bathroom to while away minutes and as a passing diversion, but for "toughest pouzzles" it is sorely disappointing. I suspect it will ultimately disappoint most folks looking for a true challenge.
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