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 | Will Shortz Presents Fearsomely Frightful Sudoku, Paperback | Indigo Chapters