Hard Sudoku puzzle books vol. 1: Hard, Very Hard and Extremely Hard Sudoku - Total 300 Sudoku puzzles to solve - Includes solutions (Hard to extreme);

Love hard Sudoku puzzles? Then you'll love this book!

Total 300 sudoku puzzles

• 100 hard sudoku
• 100 very hard sudoku
• 100 extremely hard sudoku

Big grids - 4 sudoku puzzles every page

Size of the book: 8.5 X 11

127 pages

Perfect gift for anyone who loves Sudoku. 

You can find more of our Sudoku and other puzzles at PuzzleProof