Dale Harder

Dale Harder is the author of "Subtraction Safari", "Subtraction Superheroes", "Far-Out Fractions - Decimal Dragons" and "Warp 6".

Books by Dale Harder

Math a la Carte
Harder, Dale
Paperback: $6.95

Subtraction Super...
Harder, Dale
Paperback: $6.95

Multiplication My...
Harder, Dale
Paperback: $9.95

Math Mazes
Harder, Dale
Paperback: