Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Non-Consecutive Sudoku - Medium - Volume 3 - 276 Logic Puzzles
Minesweeper Mixed Grids - Easy - Volume 7 - 159 Logic Puzzles
Sudoku 10x10 - Extreme - Volume 12 - 276 Puzzles
Sudoku 15x15 - Easy - Volume 23 - 276 Puzzles
Futoshiki 9x9 Deluxe - Easy to Hard - Volume 12 - 468 Puzzles
Binary Puzzles Mixed Grids - Easy - Volume 2 - 276 Puzzles
Anti-Knight Sudoku 16x16 - Easy to Extreme - Volume 5 - 276 Puzzles
CalcuDoku 9x9 - Medium - Volume 9 - 276 Puzzles
Non-Consecutive Sudoku - Hard - Volume 4 - 276 Logic Puzzles
Sudoku Travel Pocket Size Book 1 - 120 Easy to Extreme Logic Puzzles For On-The-Go Holiday Fun
Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles
Daily Mega Sudoku 16x16 Puzzle Calendar 2015
King-Sized Kakuro Mixed Grids Deluxe - Volume 2 - 249 Puzzles
Daily Sudoku X 16x16 Puzzle Calendar 2016
Daily Sudoku For Kids 8x8 Puzzle Calendar 2016