Will Shortz Presents Pocket-Size Puzzles: Hard Sudoku

With their stylish design, Pocket Size Puzzles series is bound to be the books every puzzle fan will want to be seen solving this season.

Edited by puzzlemaster Will Shortz, this handsome book offers 100 hard sudoku puzzles in a convenient portable size.

Features:

- 100 hard puzzles

- Perfect portable size

- A great gift for any holiday