
Prime Magic Square Puzzles: Based on 5 by 5 Magic Squares with All Prime Number Entries
$8.88

Magic Squares 5 by 5: Complete the magic square puzzle
$8.88

Chapter 1, Data Structures
$12.28

Twice Magic Squares 5 by 5
$8.88

The First Book of ABC Puzzles
$34.60

Nine Digit Number Puzzles
$8.88

My Facebook Life
$21.00

The Second Book of Abc Puzzles
$18.19

Mathematical Essays
$8.88