Alexander Rodriguez

Puzzles for Brain - Futoshiki 200 Hard to Expert Puzzles 6x6 vol.24 (Futoshiki, #24)

Puzzles for Brain - Outside Sudoku 200 Hard Puzzles vol.13 (Outside Sudoku, #13)

Puzzles for Brain - Futoshiki 200 Easy to Medium Puzzles 5x5 vol.21 (Futoshiki, #21)

Puzzles for Brain - Futoshiki 200 Hard to Expert Puzzles 5x5 vol.22 (Futoshiki, #22)

Puzzles for Brain - Futoshiki 200 Easy to Medium Puzzles 6x6 vol.23 (Futoshiki, #23)

Puzzles for Brain - Outside Sudoku 200 Easy Puzzles vol.11 (Outside Sudoku, #11)

Puzzles for Brain - Straights 200 Expert Puzzles 9x9 vol.26 (Straights, #26)

Puzzles for Brain - Straights 200 Easy Puzzles 9x9 vol.23 (Straights, #23)

Puzzles for Brain - Straights 200 Medium Puzzles 9x9 vol.24 (Straights, #24)

Puzzles for Brain - Straights 200 Hard Puzzles 9x9 vol.25 (Straights, #25)

Puzzles for Brain - Straights 200 Easy to Medium Puzzles 9x9 vol.21 (Straights, #21)

Puzzles for Brain - Straights 200 Hard to Expert Puzzles 9x9 vol.22 (Straights, #22)

Puzzles for Brain - Straights 200 Expert Puzzles 9x9 vol.18 (Straights, #18)

Puzzles for Brain - Straights 200 Medium Puzzles 9x9 vol.16 (Straights, #16)

Puzzles for Brain - Straights 200 Hard Puzzles 9x9 vol.17 (Straights, #17)

Puzzles for Brain - Straights 200 Easy Puzzles 9x9 vol.15 (Straights, #15)

Puzzles for Brain - Straights 400 Hard to Expert Puzzles 9x9 vol.20 (Straights, #20)

Puzzles for Brain - Straights 400 Easy to Medium Puzzles 9x9 vol.19 (Straights, #19)

Puzzles for Brain - Mega Sudoku 200 Easy to Medium Puzzles vol.9 (Mega Sudoku, #9)

Puzzles for Brain - Mega Sudoku 200 Medium to Hard Puzzles vol.10 (Mega Sudoku, #10)

Puzzles for Brain - Mega Sudoku 200 Easy to Expert Puzzles vol.12 (Mega Sudoku, #12)

Puzzles for Brain - Mega Sudoku 200 Hard to Expert Puzzles vol.11 (Mega Sudoku, #11)

Puzzles for Brain - Mega Sudoku 400 Easy to Medium Puzzles vol.13 (Mega Sudoku, #13)

Puzzles for Brain - Mega Sudoku 400 Hard to Expert Puzzles vol.14 (Mega Sudoku, #14)