Cosmic Odyssey: How Intrepid Astronomers at Palomar Observatory Changed Our View of the Universe, by Linda Schweizer
Space!
How I Killed Pluto, and Why It Had It Coming, by Mike Brown
Palomar Mountain (Images of America), by Brad Bailey
The Perfect Machine: Building the Palomar Telescope, by Ronald Florence
Constellations Activity Book (Color and Learn), by Ryan Jacobson
Find the Constellations, by H.A. Rey
A Child's Introduction to the Night Sky, by Michael Driscoll
There's No Place Like Space (Cat in the Hat's Learning Library), by Tish Rabe
Stars and Planets (Peterson Field Guides), by Jay M. Pasachoff
Simply Astronomy
The Magic School Bus Lost In The Solar System, by Joanna Cole and Bruce Degen
National Geographic Little Kids First Big Book of Space, by Catherine D. Hughes
National Geographic Kids Readers: Planets, by Elizabeth Carney
The Warped Side of Our Universe
Eyewitness UNIVERSE
