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Title: Mensa Sudoku by Michael Rios
Review: I'm very disappointed in the level of difficulty of these puzzles, and feel I've been duped. I was looking for a long book of difficult/extreme puzzles to work on solving techniques, and these were easy/medium. I have the feeling an error was made and medium puzzles were placed in the book instead of Mensa difficulty, and it's a wonder no one caught the error before publication. The books were printed, and still put on the shelf for unsuspecting customers, and I'm annoyed.
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