books.google.com - Every day, we are confronted with innumerable small mysteries that puzzle and confound. Why do pianos have 88 keys? Why is peanut butter sticky? And do elephants jump? Now David Feldman returns with his tenth Imponderables® book to answer these and 100 other perplexing questions about food, popular...https://books.google.com/books/about/Do_Elephants_Jump.html?id=1YrLzufw85QC&q=there%E2%80%99s&utm_source=gb-gplus-shareDo Elephants Jump?