Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Mini Sudoku For Kids 6x6 Deluxe - Easy to Hard - Volume 12 - 333 Logic Puzzles
Killer Sudoku 12x12 - Hard - Volume 16 - 276 Puzzles
Hitori 30x30 - Volume 3 - 159 Logic Puzzles
Sudoku Travel Pocket Size Book 4 - 120 Hard Logic Puzzles For On-The-Go Holiday Fun
Samurai Sudoku Deluxe - Easy to Extreme - Volume 6 - 255 Puzzles
Star Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Wordoku 9x9 Large Print - Easy to Extreme - Volume 10 - 276 Logic Puzzles
Numbricks Mixed Grids - Easy - Volume 2 - 276 Puzzles
Wordoku 9x9 - Medium - Volume 7 - 276 Logic Puzzles
Killer Sudoku 10x10 - Easy - Volume 8 - 267 Puzzles
Jigsaw Sudoku 10x10 - Medium - Volume 10 - 276 Puzzles
Sudoku For Kids 8x8 - Hard - Volume 6 - 145 Logic Puzzles
Huge Hashi 30x30 - Volume 3 - 159 Logic Puzzles
Nurikabe Mixed Grids - Hard - Volume 10 - 276 Logic Puzzles
Sudoku 15x15 - Extreme - Volume 26 - 276 Puzzles
