Nana’s Difficult Sudoku Puzzles: 200 Puzzles from Hard to Pure Evil

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Warning: the puzzles in this book range in difficulty from hard to pure evil and will challenge the sharpest puzzle solving minds!

Features:

200 Difficult Puzzles
One Puzzle Per Page
Large Grids for easier Solving
Grab your pencil and eraser and dive into this sampler of 200 challenging* puzzles!
*Don’t worry. Solutions are in the back of the book.