Cynthia Light Brown is the author of several books for Nomad Press, including Amazing Kitchen Chemistry Projects You Can Build Yourself and Explore Rocks and Minerals!. She has 25 years of experience as an environmental consultant specializing in pollution prevention, toxicology, and using Geographic Information Systems for mapping natural resources and protecting the environment. Cynthia lives in Pittsburgh, PA. Grace Brown is a freshman at Mt. Lebanon High School with a particular interest in math and science. This is her first book. Grace lives in Pittsburgh, PA. Bryan Stone is a cartoonist and the illustrator of several books for Nomad Press including Explore Night Science!, Explore Flight!, Explore Rivers and Ponds!, Explore Rocks and Minerals!, Explore Electricity!, and Explore Money!. He lives in West Fairlee, VT.