Ponder, if you will ... Where do you find fascinating explanations for a multitude of mysteries? Why do pianos have 88 keys? How does the hole get in the needle of a syringe? Why is peanut butter sticky? Pop culture guru David Feldman demystifies these questions and much more in Do Elephants Jump? One of the Imponderables® series -- the unchallenged source of answers to civilization's everyday mysteries -- and charmingly illustrated by Kassie Schwan, this book provides you with small mysteries that puzzle and amaze us.