Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Heyawake Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Tridoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Mega Sudoku 16x16 Large Print - Extreme - Volume 60 - 276 Logic Puzzles
King-Sized Kakuro 21x21 Deluxe - Volume 10 - 249 Logic Puzzles
Sudoku For Kids 8x8 - Easy - Volume 4 - 145 Logic Puzzles
Non-Consecutive Sudoku - Extreme - Volume 5 - 276 Logic Puzzles
Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles
Hitori 30x30 - Volume 3 - 159 Logic Puzzles
Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Nurikabe Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Anti Diagonal Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku Travel Pocket Size Book 7 - 120 Medium to Hard Logic Puzzles For On-The-Go Holiday Fun
CalcuDoku 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
