I Am the Solar System: A book about space for kids, from the sun, through the planets, to the heliosphere and into interstellar space, helping ... (I Am Learning: Educational Series for Kids)
Rylee The Young Rocketeer: A Kids Book About Imagination and Following Your Dreams (Young Rylee Series)
The Tiny Astronaut: A Rhyming Solar System Adventure For Boys and Girls, Toddlers and Kids, 0-3 and 3-6! (The Tiny Books Series)
I Spy Outer Space: A Fun Guessing Game Picture Book for Kids Ages 2-5, Toddlers and Kindergartners ( Picture Puzzle Book for Kids ) (I Spy Books for Kids)