This book has 100 Hard and Extreme Sudoku 16 X 16 Puzzles. Challenge yourself today with Sudoku Hard & Extreme Level Puzzles!

Sudoku is a fun and addicting logic puzzle game for improving your memory and prevent neurological disorder.

This book is ideal for advance solvers, will love to solve this difficult Mega Sudoku 16x16 puzzles. Only 1 print per page. It is also ideal for those wanting to move on from the "Medium" difficulty level and try a more challenging set of puzzles that require some advanced solving techniques.

Features:

• 50 Hard Level / 50 Extreme Level
• Large Size: 8.5 x 11 inches
• Premium glossy cover
• Easy to read
• Solutions included

This book is the perfect size for traveling so feel free to take it on the go with you!