Carolyn Cinami DeCristofano is a science education consultant and the author of several science books for children, including Running on Sunshine and A Black Hole Is Not a Hole, an NCTE Orbis Pictus Recommended Book of Outstanding Nonfiction, and Big Bang!, an IRA Notable Children's Book. Visit her online at www.carolyndecristofano.com.

Taia Morley has worked as a toy and game designer for several toy companies and is also an illustrator whose work appears in books and magazines and on packaging. She even illustrated the surface of the St. Paul Public Library Bookmobile. When she isn't working, she might be riding a bike, trying to hit a tennis ball, or napping. She has illustrated Hurricane Watch and The Sun and the Moon in the Let's-Read-and-Find-Out Science series. She is married to a wonderful guy, and they have four pretty great kids and one old brown dog. She lives in St. Paul, Minnesota.