Shikaku Mixed Grids - Hard - Volume 4 - 159 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
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Non-Consecutive Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Anti-Knight Sudoku 12x12 - Easy to Extreme - Volume 3 - 276 Puzzles
Hitori Mixed Grids - Volume 1 - 159 Puzzles
King-Sized Kakuro Mixed Grids - Volume 1 - 153 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles
Wordoku 9x9 - Easy - Volume 6 - 276 Logic Puzzles
Sudoku For Kids Mixed Grids - Easy - Volume 18 - 145 Logic Puzzles
Sudoku For Kids 8x8 - Hard - Volume 6 - 145 Logic Puzzles
Classic Sudoku For Kids 9x9 - Easy - Volume 13 - 145 Logic Puzzles
Numbricks Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Nurikabe Mixed Grids - Easy - Volume 8 - 276 Logic Puzzles
CalcuDoku Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Mega Sudoku 16x16 - Easy to Extreme - Volume 29 - 276 Puzzles
Mega Sudoku 16x16 - Easy - Volume 30 - 276 Puzzles
Sudoku 15x15 Deluxe - Easy to Extreme - Volume 28 - 468 Puzzles
