Are you tough enough? Take on this collection of 200
devilishly difficult sudoku puzzles! Includes: 200 hard puzzles Perfect portable size Big grids for easy solvingBook Format: Paperback. Number of Pages: 0320. Publisher: St. Martin's Griffin
Complement your style while challenging your mind with this collection
of 100 Hidato puzzle games. Hidato can be solved using 100 percent logic and requires no math or guesswork. The modern tactile design makes the book a stylish accessory ...