Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Jigsaw Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Binary Puzzles For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Classic Sudoku For Kids 9x9 - Medium - Volume 14 - 145 Logic Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
Futoshiki Mixed Grids - Medium - Volume 3 - 276 Puzzles
Tridoku - Easy - Volume 2 - 276 Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Sudoku Mixed Grids Deluxe - Extreme - Volume 61 - 476 Logic Puzzles
Jigsaw Sudoku 10x10 - Easy - Volume 9 - 276 Puzzles
Consecutive Sudoku - Easy - Volume 2 - 276 Logic Puzzles
CalcuDoku Mixed Grids - Easy - Volume 2 - 276 Puzzles
Sudoku 8x8 - Easy to Hard - Volume 48 - 276 Puzzles
Sudoku Mixed Grids Deluxe - Easy to Extreme - Volume 42 - 476 Puzzles
Happy Birthday Sudoku - Volume 1 - 276 Logic Puzzles
Wordoku For Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
