Sharon Katz Cooper is a science educator and freelance writer who specializes in science and social studies topics. She has written more than 25 books for children, including a series called Horrible Habitats, which was recommended by the National Science Teachers Association (NSTA). She is based in Pittsburgh, Penn., where she lives with her husband and three boys, Reuven, Judah, and Yaron. Joshua S. Brunet received his BS in Illustration from Indiana Wesleyan University and his MFA in Illustration from the Hartford Art School at the University of Hartford. He has been a freelance illustrator for almost 15 years and has worked for a variety of magazines, including Focus on the Family and LifeWay Press. His first children's book, When Pigs Fly, was published in 2011 by Borderstone Press. His most recent book, I'm in Love with a Big Blue Frog (Imagine Publishing), is a collaboration with the legendary folk trio Peter, Paul, and Mary, and singer/songwriter Les Braunstein. Josh is married with four children and currently resides in Denver, Colorado, where he teaches in the illustration department at Rocky Mountain College of Art and Design.