The big book of Sudoku: 400 Sudoku Puzzles REL012030 " a series of failed

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ISBN10: 1790704413

The big book of Sudoku: 400 Sudoku Puzzles REL012030 " a series of failedPrinted on high quality paper that will easily withstand the constant erasing and re writing that a Sudoku puzzle requires, this book contains 400 graded Sudoku puzzles. The 400 puzzles are broken down as 100 easy puzzles. Perfect if you've never played Sudoku before 100 medium puzzles. A little more challenge. 100 hard puzzles. 100 tough puzzles. Perfect for those who are experienced Sudoku puzzlers looking for extra challenge. Every puzzle has a