Shikaku Mixed Grids - Hard - Volume 4 - 159 Logic Puzzles
Shikaku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 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
Futoshiki For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles
Sudoku 8x8 - Hard - Volume 51 - 276 Puzzles
Daily Sudoku X 16x16 Puzzle Calendar 2016
Heyawake Mixed Grids Large Print - Easy to Hard - Volume 5 - 276 Logic Puzzles
Jigsaw Sudoku for Kids 8x8 - Easy to Hard - Volume 2 - 145 Puzzles
Star Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Mega Sudoku 16x16 - Easy - Volume 30 - 276 Puzzles
Sudoku For Kids Mixed Grids - Easy - Volume 18 - 145 Logic Puzzles
Numbricks Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Puzzles
Binary Puzzles 14x14 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Futoshiki Mixed Grids Deluxe - Hard - Volume 14 - 468 Logic Puzzles
Minesweeper Mixed Grids - Medium - Volume 3 - 159 Logic Puzzles
CalcuDoku Mixed Grids Deluxe - Easy to Hard - Volume 6 - 468 Puzzles
Sudoku Mixed Grids - Extreme - Volume 40 - 282 Puzzles
Tridoku - Hard - Volume 4 - 276 Puzzles