Eight planets circle our Sun, and not one behaves quite like another. Venus spins backward beneath crushing clouds, Jupiter carries a storm wider than Earth, Saturn is light enough to float if anyone could find a bathtub, and a year on Neptune lasts 165 Earth years. Children tend to arrive for the rings and stay for the realization that every world has rewritten the rules.
Drawing from Bookroo’s collection of 165 planet books, our editors chose ten that move from a toddler’s first orbit to clear solar-system references, a real argument over what counts as a planet, and the first worlds found around other stars. Start with the shortlist, then browse read-alouds for younger explorers or fact books and adventures for independent readers.
Count outward from hot, speedy Mercury to cold, windy Neptune while each planet shows off one memorable trait.
The Cat in the Hat takes Sally and Dick past the Sun, the Moon, and every planet in a rhyming tour of the solar system.
Earth narrates 4.54 billion years of fiery beginnings, cooling crust, changing continents, and life arriving rather late in the story.
After losing his place among the planets, Pluto crosses the solar system looking for a group whose definition he actually fits.
When the planetarium is closed, Ms. Frizzle solves the problem by driving her class through the actual solar system.
Bright photographs and short sections move from Earth and its Moon through the planets, galaxies, black holes, and human spaceflight.
Photographs, diagrams, and compact fact boxes introduce the planets, dwarf planets, moons, and smaller bodies in our solar system.
The solar system’s planets begin a letter exchange with a mysterious distant world and end up debating what the word planet means.
An oversized celestial museum opens gallery by gallery, from the Sun and planets to stars, galaxies, and the edge of the observable universe.
Mars introduces its rusty surface, enormous volcano, two lumpy moons, and ambitious plans for visiting Earthlings.
The eight planets, Mars missions, Pluto’s demotion, and solar-system tours to read aloud with ages 3–8.
A class goes on a field trip to a planetarium to learn about stars and planets, but their trip is disrupted by a storm.
A rover's 15-year Mars mission uncovers secrets and faces cosmic challenges.
Pluto shares its unique journey from discovery to dwarf planet status.
A penguin from Pluto plots Earth's takeover. Can Ricky and his robot stop him?
A lost pterosaur needs help returning home. Can Zack and his team navigate the prehistoric world?
Stella's hair misbehaves before a big event. Can a cosmic journey with her aunties save the day?
Discover the Sun's vital role in our solar system with humor and facts.
Pluto embarks on a cosmic quest to discover why he's no longer a planet.
The story of the Sun and its importance to the Earth and the solar system.
Join a rover's journey to Mars, uncovering secrets of the red planet.
A rover explores Mars, seeking secrets and signs of life.
A satellite finds a heart-shaped message of love on Pluto.
Photographic guides, large-format references, planetary science, and space adventures for readers ages 6–12.
A boy on Mars discovers a dragon that could save their doomed colony.
A secret agent races to rescue his kidnapped father before a Mars mission fails.
A Mars rover faces perilous challenges and unexpected emotions on a mission to survive.
Join a cosmic journey to uncover the mysteries of the solar system.
Aliens send a dire warning. Can George and Annie uncover the truth across the galaxy?
The elfix aliens vanish before the galaxy's gift-giving night. Can the spacemice save the holiday?
Space junk threatens MouseStar 1. Can spacemice stop rebellious robots before chaos ensues?
Can spacemice outsmart pirate spacecats to claim underwater treasure?
Spacemice vanish on an icy planet. Are the fuzzy aliens friend or foe?
A young boy named Stink Moody tries to save Pluto from being kicked out of the solar system.
Uncover space mysteries with Jack and Annie's fact-filled journey beyond fiction.
A virus strikes Mars, leaving kids to uncover secrets and save their colony.
