David Smith

Jigsaw Sudoku - 200 Hard to Master Puzzles 9x9 Vol.4

Collection of Different Sudoku - 400 Easy Puzzles (Collection of Different Sudoku, #1)

Collection of Different Puzzles - 400 Master Puzzles (Collection of Different Puzzles, #8)

Collection of Different Puzzles - 400 Normal Puzzles (Collection of Different Puzzles, #6)

Collection of Different Puzzles - 400 Hard Puzzles (Collection of Different Puzzles, #7)

Collection of Different Sudoku - 400 Normal Puzzles (Collection of Different Sudoku, #2)

Collection of Different Sudoku - 400 Master Puzzles (Collection of Different Sudoku, #4)

Collection of Different Sudoku - 400 Hard Puzzles (Collection of Different Sudoku, #3)

Collection of Different Puzzles - 400 Easy Puzzles (Collection of Different Puzzles, #5)

Collection of Different Puzzles - 400 Hard Puzzles; Binary, Suguru, Futoshiki, Numbricks, Killer Sudoku, Hitori, Sudoku X, Slitherlink Vol.3 (Collection of Different Puzzles, #3)

Collection of Different Puzzles - 400 Normal Puzzles; Binary, Suguru, Futoshiki, Numbricks, Killer Sudoku, Hitori, Sudoku X, Slitherlink vol.2 (Collection of Different Puzzles, #2)

Collection of Different Puzzles - 400 Easy Puzzles; Binary, Suguru, Futoshiki, Numbricks, Killer Sudoku, Hitori, Sudoku X, Slitherlink Vol.1 (Collection of Different Puzzles, #1)

Collection of Different Puzzles - 400 Master Puzzles; Binary, Suguru, Futoshiki, Numbricks, Killer Sudoku, Hitori, Sudoku X, Slitherlink Vol.4 (Collection of Different Puzzles, #4)

Calcudoku Puzzles - 400 Master Puzzles 5x5 Vol.4 (Calcudoku, #4)

Calcudoku Puzzles - 400 Master Puzzles 6x6 Vol.8 (Calcudoku, #8)

Calcudoku Puzzles - 400 Normal Puzzles 5x5 Vol.2 (Calcudoku, #2)

Calcudoku Puzzles - 400 Hard Puzzles 5x5 Vol.3 (Calcudoku, #3)

Calcudoku Puzzles - 400 Easy Puzzles 6x6 Vol.5 (Calcudoku, #5)

Calcudoku Puzzles - 400 Hard Puzzles 6x6 Vol.7 (Calcudoku, #7)

Calcudoku Puzzles - 400 Normal Puzzles 6x6 Vol.6 (Calcudoku, #6)

Calcudoku Puzzles - 400 Easy Puzzles 5x5 Vol.1 (Calcudoku, #1)

Numbricks Puzzles - 200 Easy to Master Puzzles 10x10 Vol.8 (Numbricks, #8)

Numbricks Puzzles - 200 Hard to Master Puzzles 10x10 Vol.7 (Numbricks, #7)

Numbricks Puzzles - 200 Normal to Hard Puzzles 9x9 Vol.2 (Numbricks, #2)