Will Shortz Presents Fearsomely Frightful Sudoku

Hungry for more sudoku. Once you've mastered the easy puzzles it's time to take it up a notch. This book is the second in the series that starts with Will Shortz Presents Ferociously Fun Sudoku. and ends with Will Shortz Presents Fascinatingly Fierce Sudoku. Includes: -200 medium-level puzzles-Perfect portable size-Edited by Will Shortz.