Sudoku Hard To Extreme: 400 Puzzles, Hard, Very Hard and Extremely Hard Sudoku to solve, Includes solutions. (Paperback) (ISBN-13: 9798647082992)

Stimulate brain with the most famous logic based number game: SUDOKU Difficult and extremely hard level puzzles are great for advanced and for anyone who loves Sudoku.

• 4 large puzzles on each page Large print on white paper is very simple to read.
• Every puzzle has a solution.
• 8.5 11 inch pages
• Lots of Sudoku puzzles: 400 Sudoku
• 100 hard Sudoku
• 100 very hard Sudoku
• 100 extremely hard Sudoku
• Answers for every Sudoku included in back

Relax and enjoy completing all such 400 fun puzzles game to stay active and have pleasure