Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Easy - Volume 2 - 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
Daily CalcuDoku Puzzle Calendar 2015
Classic Sudoku For Kids 9x9 - Extreme - Volume 16 - 145 Logic Puzzles
Anti-King Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Argyle Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Girandola Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku X 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles
Sudoku For Kids Mixed Grids - Hard - Volume 20 - 145 Logic Puzzles
Minesweeper Mixed Grids - Easy to Hard - Volume 6 - 156 Logic Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles
Sudoku Travel Pocket Size Book 5 - 120 Extreme Logic Puzzles For On-The-Go Holiday Fun
Sudoku X 10x10 - Hard to Extreme - Volume 7 - 276 Puzzles
Binary Puzzles For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Jigsaw Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
I Love You Dad Sudoku - 276 Logic Puzzles
Mini Sudoku For Kids 6x6 Deluxe - Easy to Hard - Volume 12 - 333 Logic Puzzles