Carla Mooney is the author of several books for young readers including Forensics: Uncover the Science and Technology of Crime Scene Investigation, The Industrial Revolution: Investigate How Science and Technology Changed the World, Explore Rivers and Ponds! With 25 Projects, Rocketry: Investigate the Science and Technology of Rockets and Ballistics, and The Brain: Journey Through the Universe Inside Your Head . Her work has appeared in many magazines including Highlights, Faces, and Learning Through History. Carla lives in Pittsburgh, PA.

Samuel Carbaugh is a freelance cartoonist and illustrator. He has illustrated several books for Nomad Press, including Forensics: Uncover the Science and Technology of Crime Scene Investigation and Robotics: Discover the Science and Technology of the Future. Most recently he wrote and illustrated Comics: Investigate the History and Technology of American Cartooning. He works with many colleges and companies to create informational comics and illustrations. Sam lives in Grand Rapids, MI.