Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
CalcuDoku 9x9 Deluxe - Hard - Volume 13 - 468 Logic Puzzles
Large Sudoku 12x12 - Medium - Volume 17 - 276 Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Wordoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Nurikabe Mixed Grids Large Print - Easy to Hard - Volume 11 - 276 Logic Puzzles
CalcuDoku 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Heyawake Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles
Mega Sudoku 16x16 - Extreme - Volume 33 - 276 Puzzles
Large Sudoku 12x12 - Easy - Volume 16 - 276 Puzzles
Jigsaw Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Hitori Mixed Grids - Volume 1 - 159 Puzzles
Heyawake Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Binary Puzzles Mixed Grids - Easy to Hard - Volume 1 - 276 Puzzles
Large Sudoku 12x12 - Easy to Extreme - Volume 15 - 276 Puzzles
Heyawake Mixed Grids - Easy - Volume 2 - 276 Logic Puzzles
Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
