Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Non-Consecutive Sudoku - Easy - Volume 2 - 276 Logic Puzzles
Heyawake Mixed Grids Deluxe - Easy to Hard - Volume 12 - 474 Logic Puzzles
Large Sudoku 12x12 - Extreme - Volume 19 - 276 Puzzles
CalcuDoku Mixed Grids Deluxe - Easy to Hard - Volume 6 - 468 Puzzles
Heyawake Mixed Grids - Medium - Volume 3 - 276 Logic Puzzles
Binary Puzzles 14x14 - Easy to Hard - Volume 7 - 276 Puzzles
Huge Hashi Mixed Grids Deluxe - Volume 2 - 255 Puzzles
Jigsaw Sudoku 10x10 - Easy to Extreme - Volume 8 - 276 Puzzles
Mini Sudoku For Kids 6x6 - Hard - Volume 11 - 145 Logic Puzzles
Slitherlink Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Puzzles
Futoshiki Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
Futoshiki For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Killer Sudoku Mixed Grids Large Print - Easy to Hard - Volume 23 - 276 Puzzles
Killer Sudoku 10x10 - Medium - Volume 9 - 267 Puzzles
Jigsaw Sudoku 12x12 Deluxe - Easy to Extreme - Volume 21 - 468 Puzzles
