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 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.