WARNING: This Sudoku book is not for the faint of heart

This is truly a Sudoku book like no other. With 200 of the hardest puzzles ever created, it is guaranteed to provide you with hours and hours of mind-melting fun. This awesome puzzle book is designed for experienced puzzle solvers who are looking for an extreme challenge.

Exercise your brain, improve your concentration and stimulate your mind with these challenging puzzles. Frustrating, exasperating and downright maddening at times, these Sudoku puzzles will ultimately leave you satisfied and asking for more.

If you are looking for a Sudoku book that will challenge your puzzle solving skills, all while helping to improve logical thinking, concentration and memory, scroll up and click the "Add to Cart" button to order this great Sudoku book today

Large print so that the puzzles strain your brain and not your eyes.

Answer keys available for every single puzzle.

Step up to the challenge -- IF YOU DARE

Be sure to check the Super Brain Puzzles page for more puzzle solving options.