If You Hopped Like a Frog
“If you hopped like a frog. . . you could jump
from home plate to first base in one mighty leap. If you were
as strong as an ant… “
A hilarious introduction to ratio and proportion
through the amazing abilities of animals.
Online orders processed securely by PayPal. Sales tax added for California residents. FREE Shipping for orders above $50 – Show Shipping Charges
$2.50 for orders up to $10.00
$4.50 for orders of $10.01 – $30.00
$6.00 for orders of $30.01 – $50.00
ALL BOOKS ORDERED HERE ARE AUTOGRAPHED. For a special inscription,
please be sure to fill out the request field on checkout located below your address.
If left blank, David will autograph ONLY. This is how the field looks: