This book has 50 Hard Sudoku 16 X 16 Puzzles. Challenge yourself today with Sudoku Hard 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:

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!