David M. Schwartz is the author of numerous books, including the award-winning math titles How Much Is a Million?, G is for Googol and If You Hopped Like a Frog. When he is not speaking at schools and libraries around the U.S. and abroad, he can sometimes be seen on his bicycle, climbing the hills ...

David M. Schwartz is the author of numerous books, including the award-winning math titles How Much Is a Million?, G is for Googol and If You Hopped Like a Frog. When he is not speaking at schools and libraries around the U.S. and abroad, he can sometimes be seen on his bicycle, climbing the hills near his home in Oakland, CA.