Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Mini Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Non-Consecutive Sudoku - Easy to Extreme - Volume 1 - 276 Logic Puzzles
Shikaku Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
Slitherlink Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Binary Puzzles 14x14 - Hard - Volume 10 - 276 Puzzles
Mega Sudoku 16x16 Large Print - Easy - Volume 57 - 276 Logic Puzzles
Jigsaw Sudoku 10x10 Large Print - Easy to Extreme - Volume 13 - 276 Puzzles
Wordoku 9x9 Large Print - Easy to Extreme - Volume 10 - 276 Logic Puzzles
Killer Sudoku 10x10 - Easy - Volume 8 - 267 Puzzles
Killer Sudoku For Kids 6x6 - Easy to Hard - Volume 1 - 145 Puzzles
Huge Hashi Mixed Grids - Volume 1 - 159 Puzzles
Classic Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
Daily Sudoku Puzzle Calendar 2015
Star Sudoku - Easy - Volume 2 - 276 Logic Puzzles
King-Sized Kakuro Mixed Grids Deluxe - Volume 8 - 249 Logic Puzzles