Sudokus are the popular number-placement puzzles which are great fun to solve and help to keep our brains active. 

This amazing collection contains more than 400 puzzles in four levels of difficulty, so is perfect for some mental stimulation whether you’re a sudoku novice or expert.

The perfect way to relax, have some fun and train your brain!

Product Information:
• ISBN: 9781398817586
• Author: Arcturus
• Publisher: Arcturus
• Format: Paperback