Washoe County Library System

"Britannica's huge, authoritative, and lavishly illustrated question and answer book will satisfy even the most curious kids, with over 100 questions verified by Britannica experts. Spanning a range of topics including animals, the body, machines, space,and more, this book provides clear and accessible explanations--and even explores some of the mysteries that experts are still trying to solve!"-- "WHY do elephants have trunks? WHY are clouds different...