David Schwartz is the author of over 50 math and science books, including How Much is a Million?, G is for Googol, and If You Hopped Like a Frog. His math and science presentations have delighted students across the globe. He lives in Oakland, CA.
David Schwartz
Edited by
David Schwartz
Read by
Sign in or create an account
Enter your email to continue. We'll create your account if you're new here.