Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Sudoku 10x10 - Hard - Volume 11 - 276 Puzzles
Non-Consecutive Sudoku Deluxe - Easy to Extreme - Volume 7 - 468 Logic Puzzles
Futoshiki 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Sudoku For Kids 8x8 - Easy - Volume 4 - 145 Logic Puzzles
Mini Sudoku 6x6 - Easy to Hard - Volume 43 - 276 Puzzles
Numbricks Mixed Grids - Easy - Volume 2 - 276 Puzzles
Sudoku Mixed Grids - Hard - Volume 39 - 282 Puzzles
Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 12 - 474 Logic Puzzles
Anti-Knight Sudoku 10x10 - Easy to Extreme - Volume 2 - 276 Puzzles
Mega Sudoku 16x16 - Easy to Extreme - Volume 29 - 276 Puzzles
Sudoku X 9x9 - Hard to Extreme - Volume 6 - 276 Puzzles
Sudoku Mixed Grids Large Print - Easy to Extreme - Volume 41 - 267 Puzzles
Masyu Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Mega Sudoku 16x16 Large Print - Extreme - Volume 60 - 276 Logic Puzzles
Sudoku Travel Pocket Size Book 6 - 120 Easy to Medium Logic Puzzles For On-The-Go Holiday Fun
