Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
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
Slitherlink Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Samurai Sudoku - Hard - Volume 4 - 159 Puzzles
Mini Sudoku For Kids 6x6 Deluxe - Easy to Hard - Volume 12 - 333 Logic Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Killer Sudoku Mixed Grids - Hard - Volume 22 - 276 Puzzles
CalcuDoku 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Non-Consecutive Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Samurai Sudoku Deluxe - Extreme - Volume 9 - 255 Logic Puzzles
Slitherlink Mixed Grids - Easy - Volume 2 - 276 Puzzles
Binary Puzzles 14x14 - Medium - Volume 9 - 276 Puzzles
Jigsaw Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Hyper Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
Heyawake Mixed Grids - Easy - Volume 2 - 276 Logic Puzzles
