Sesame Street Elmo Asks Why?

Elmo and his friends have lots of questions, and maybe you do, too. Why do bees sting? Why should I brush my teeth? Why do we need microscopes? Join Elmo and friends to find out the answers to these questions and many more. This first encyclopedia is bursting with exciting information and fascinating photographs about our wonderful world to help little learners grow smarter, stronger, and kinder.