CATHERINE D. HUGHES is the author of National Geographic Little Kids First Big Book of Animals, National Geographic Little Kids First Big Book of Dinosaurs, and is the science editor for the award-winning National Geographic Kids and National Geographic Little Kids magazines. She has a master's degree in early childhood education.
Award-winning author and illustrator DAVID A. AGUILAR is widely recognized for his ability to communicate the wonderment of science to enthusiasts of all ages. David's artwork has been featured on the History Channel's series "The Universe", Time magazine, CNN, USA Today, National Geographic, Astronomy, and more. His other books include Planets, Stars & Galaxies and 13 Planets.
