Shikaku Mixed Grids - Easy - Volume 2 - 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 - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles
Sudoku X 15x15 - Hard to Extreme - Volume 9 - 276 Puzzles
Wordoku 12x12 - Easy to Extreme - Volume 3 - 276 Puzzles
Wordoku 9x9 - Hard - Volume 8 - 276 Logic Puzzles
CalcuDoku Mixed Grids - Easy - Volume 2 - 276 Puzzles
Classic Sudoku 9x9 - Medium to Hard - Volume 63 - 276 Logic Puzzles
Happy Birthday Sudoku - Volume 2 - 276 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Sudoku 10x10 - Medium - Volume 10 - 276 Puzzles
Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 12 - 474 Logic Puzzles
Daily Tridoku Puzzle Calendar 2015
Minesweeper Mixed Grids - Easy to Hard - Volume 6 - 156 Logic Puzzles
Binary Puzzles Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Killer Sudoku 10x10 Deluxe - Easy to Hard - Volume 12 - 459 Puzzles
Outside Sudoku - Hard - Volume 4 - 276 Puzzles
