Will Shortz Presents Sweetheart Sudoku: 200 Challenging Puzzles

Do you have a Sudoku sweetheart? Or maybe you're wrapped up in a Sudoku love affair! Either way, this love little Valentine's Day Sudoku book can't be beat! It contains two hundred easy to challenging Sudoku puzzles in a portable, pocket-sized trim. Features: 200 easy to hard Sudoku puzzles; big grids for easy solving; and, edited by Will Shortz.