Sudoku Variations Puzzle Books for Nerds - Paperback

by Senor Sudoku (Author)

What does it mean to have a puzzle book of Sudoku variations? It means you won't know the level of difficulty you'll have to deal with next. Such a puzzle book is ideal for those who don't mind a little bit of challenge daily. Relieve yourself of stress and condition your mind to see the world with a renewed perspective every time. Good luck