Sudoku puzzles are fun and engaging, while providing your brain with a little stimulation With more than 100 puzzles and many levels of difficulty, this collection is sure to keep puzzlers of all experience levels busy for hours on end. Since each puzzle is spread out on one full page, solving will be easy on your eyes--but not on your brain .why we like Sudoku ?We like Sudokus because they test our capacity to recognize and interpret patterns . A math book and a puzzle book, Taking Sudoku Seriously will change the way readers look at Sudoku and mathematics, serving both as an introduction to mathematics for puzzle fans and as an exploration of the intricacies of Sudoku for mathematics buffs.Solving Sudoku is a lot of fun and very easy to learn. Have fun with this Sudoku book You will find 100 Puzzles to solve.Book features: - 100 Sudoku- 125 pages - Medium and Hard- Including all Solutions- Many hours of fun - Great gift for all new and "old" Sudoku fans your brain will thank you .