Alexander Rodriguez

Killer Sudoku 10x10 Puzzles - Expert 200 vol. 8 (Killer Sudoku 10x10, #8)

Killer Sudoku 10x10 Puzzles - Medium 200 vol. 6

Sujikai Sudoku Puzzles - Easy 200 vol. 1 (Sujikai Sudoku, #1)

Mega Killer Sudoku Puzzles - Medium 200 vol. 2 (Mega Killer Sudoku, #2)

Mega Killer Sudoku Puzzles - Easy 200 vol. 1

Sudoku-Asterisk Puzzles - Medium 200 vol. 2

Sudoku-Asterisk Puzzles - Easy 200 vol. 1

Sudoku-Asterisk Puzzles - Hard 200 vol. 3 (Sudoku-Asterisk, #3)

Sudoku-Asterisk Puzzles - Expert 200 vol. 4 (Sudoku-Asterisk, #4)

Mega Killer Sudoku Puzzles - Hard 200 vol. 3 (Mega Killer Sudoku, #3)

Anti Diagonal Sudoku Puzzles - Medium 200 vol. 2 (Anti Diagonal Sudoku, #2)

Anti Diagonal Sudoku Puzzles - Expert 200 vol. 4 (Anti Diagonal Sudoku, #4)

Anti Diagonal Sudoku Puzzles - Hard 200 vol. 3 (Anti Diagonal Sudoku, #3)

Anti Diagonal Sudoku Puzzles - Easy 200 vol. 1 (Anti Diagonal Sudoku, #1)

Consecutive Sudoku Puzzles - Easy 200 vol. 1 (Consecutive Sudoku, #1)

Consecutive Sudoku Puzzles - Medium 200 vol. 2 (Consecutive Sudoku, #2)

Consecutive Sudoku Puzzles - Hard 200 vol. 3 (Consecutive Sudoku, #3)

Consecutive Sudoku Puzzles - Expert 200 vol. 4 (Consecutive Sudoku, #4)

Kropki Sudoku Puzzles - 200 vol. 3 (Kropki Sudoku, #3)

Kropki Sudoku Puzzles - 200 vol. 4 (Kropki Sudoku, #4)

Kropki Sudoku Puzzles - 200 vol. 1

Kropki Sudoku Puzzles - 200 vol. 2

Sudoku Mine Puzzles - Expert 200 vol. 4

Sudoku Mine Puzzles - Medium 200 vol. 2 (Sudoku Mine, #2)