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 - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Classic Sudoku 9x9 Deluxe - Medium - Volume 53 - 468 Logic Puzzles
Heyawake Mixed Grids - Easy - Volume 8 - 276 Logic Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Killer Sudoku 9x9 Large Print - Easy - Volume 25 - 270 Logic Puzzles
Minesweeper Mixed Grids - Easy - Volume 7 - 159 Logic Puzzles
Classic Sudoku 9x9 Travel Pocket Size Book For Kids 3 - 120 Easy to Hard Logic Puzzles For On-The-Go Holiday Fun
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Huge Hashi 30x30 Deluxe - Volume 4 - 255 Logic Puzzles
Classic Sudoku 9x9 Deluxe - Extreme - Volume 55 - 468 Logic Puzzles
Jigsaw Sudoku 12x12 - Hard - Volume 18 - 276 Puzzles
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 11 - 276 Logic Puzzles
Anti-Knight Sudoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Non-Consecutive Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Jigsaw Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
Jigsaw Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
