Shikaku Mixed Grids - Easy - Volume 2 - 159 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Shikaku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hoshi Sudoku - Easy to Extreme - Volume 1 - 276 Puzzles
Sudoku X 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
Heyawake Mixed Grids - Easy - Volume 8 - 276 Logic Puzzles
Killer Sudoku 10x10 - Hard - Volume 10 - 267 Puzzles
Slitherlink Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 12 - 474 Logic Puzzles
Jigsaw Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Killer Sudoku 9x9 - Easy - Volume 2 - 270 Puzzles
King-Sized Kakuro 21x21 - Volume 9 - 153 Logic Puzzles
Binary Puzzles Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Killer Sudoku Mixed Grids - Medium - Volume 21 - 276 Puzzles
Wordoku 9x9 - Extreme - Volume 9 - 276 Logic Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
Non-Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Classic Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
