Alexander Rodriguez

CalcuDoku Puzzles - 400 Hard to Expert 9x9 vol. 17

CalcuDoku Puzzles - 400 Easy to Medium 9x9 vol. 16

Minesweeper Puzzles - 400 Hard to Expert vol. 8

CalcuDoku Puzzles - 200 Easy to Medium 9x9 vol. 14

Binary Puzzles - 400 Easy to Medium 9x9 vol. 10

Binary Puzzles - 400 Easy to Expert 9x9 vol. 9 (Binary Puzzles, #9)

Outside Sudoku Puzzles -200 Hard 9x9 vol. 3 (Outside Sudoku, #3)

Outside Sudoku Puzzles -200 Medium 9x9 vol. 2

Outside Sudoku Puzzles -200 Expert 9x9 vol. 4

Outside Sudoku Puzzles -200 Easy 9x9 vol. 1

Mega Sudoku Puzzles -400 Easy to Expert 16x16 vol. 8 (Mega Sudoku, #8)

Mini Sudoku Puzzles -200 Easy 6x6 vol. 1

Mega Sudoku Puzzles -200 Easy to Medium 16x16 vol. 6 (Mega Sudoku, #6)

Mini Sudoku Puzzles -200 Hard 6x6 vol. 3

Mini Sudoku Puzzles -200 Expert 6x6 vol. 4

Mini Sudoku Puzzles -200 Medium 6x6 vol. 2

Mega Sudoku Puzzles -200 Hard to Expert 16x16 vol. 7

Mega Sudoku Puzzles -200 Easy to Expert 16x16 vol. 5 (Mega Sudoku, #5)

Killer Sudoku Puzzles - 400 Easy to Expert 6x6 vol. 15 (Killer Sudoku Puzzles, #15)

Futoshiki Puzzles - 200 Easy to Expert 7x7 vol. 7 (Futoshiki Puzzles, #7)

Hidoku Puzzles - 400 Easy to Expert 9x9 vol. 4 (Hidoku Puzzles, #4)

Hidoku Puzzles - 400 Easy to Expert 10x10 vol. 5 (Hidoku Puzzles, #5)

Futoshiki Puzzles - 200 Easy to Medium 7x7 vol. 8

Hidoku Puzzles - 200 Easy to Expert 9x9 vol. 1