Sudoku to Boost Your Brainpower Presented by Will Shortz: 100 Wordless Crossword Puzzles

Sudoku, or wordless crossword puzzles, have found millions of fans worldwide. They're not only fun to solve, but their unique blend of logic is perfect for keeping your brain sharp all day long. And the special step-by-step solving guides found in this volume allow you to quickly master all of the different kinds of logic. Features 100 puzzles, from easy to hard.