Will Shortz Presents Keep Merry and Sudoku On: 300 Easy to

Will Shortz Presents Insomnia Sudoku: 200 Can't Sleep Puzzles

Will Shortz Presents Double Shot Sudoku: 200 Challenging Puzzles

Will Shortz Presents Sudoku While You Wait: 200 Puzzles to Pass the Time

Will Shortz Presents Holiday Spirit Sudoku: 300 Easy to Hard Puzzles

Will Shortz Presents Lazy Day Sudoku: 300 Easy to Hard Puzzles

Will Shortz Presents Backyard Sudoku: 300 Easy to Hard Puzzles

Will Shortz Presents Steeped in Sudoku: 200 Challenging Puzzles

Will Shortz Presents Winter Wonderland Sudoku: 335 Easy to Hard Puzzles

Will Shortz Presents Genius Sudoku: 200 Extreme Puzzles

Will Shortz Presents Pumpkin Spice Sudoku: 200 Easy to Hard Puzzles

Will Shortz Presents Keep Merry and Sudoku On: 300 Easy to Hard Puzzles