Books About Alien Planets

The Best Alien Planets Books for Kids

By the Bookroo Editors

Looking for excellent children's books about alien planets? This collection brings together Bookroo's highest-rated and most useful picks in one place.

Start with our editorial favorites, then browse recommendations organized by reading stage to find the right book for your reader.

Commander Toad and the Intergalactic Spy
Graphic Nov.
The Shortlist

Our 5 Favorite Books About Alien Planets

Sale price
$574
Chapter Book · Ages 4–8 · 1986

Commander Toad and the Intergalactic Spy

By Jane Yolen · Commander Toad series

A space mission to find a master spy leads to unexpected disguises and challenges.

64 pages· 1,837 words· Est. 31 min read
4.1/5 Goodreads · 161 ratings
$5.99Save 4%
Summary: Commander Toad embarks on a perilous mission aboard the Star Warts to an intergalactic spy convention. His goal: locate the elusive Agent 007½, a master of disguise and his cousin, Tip Toad. With spies everywhere, recognizing Tip without his disguise is crucial. Can Commander Toad succeed before it's too late? Dive into this hilarious space adventure filled with unexpected twists and clever disguises. Fans of quirky humor and thrilling escapades will find themselves toad-ally entertained!
Chapter Book · Ages 9–11 · 2019

Stranded in Space

A young girl must survive on a deserted alien planet after her spaceship is damaged and she is forced to evacuate

56 pages· 5,902 words· Est. 50 min read
$14.60Save 5%
Summary: No book description available to create a teaser.
Picture Book · Ages 6–9 · 2021

Escape from Balloonia

Trapped on Balloonia, friends must outsmart Balloon Kong to escape.

128 pages· 1,144 words· Est. 12 min read-aloud
3.9/5 Goodreads · 173 ratings
$12.99Save 4%
Summary: Blue, Barry, and Pancakes embark on a whimsical journey to Balloonia, a planet of living balloons. What starts as a playful exploration turns perilous when they're captured by the Balloonians. To return home, they must confront the formidable Balloon Kong. Can their friendship and ingenuity save them from this inflatable menace? Join the trio as they navigate a world where balloons come to life, testing the limits of their courage and camaraderie.
Picture Book · Ages 5–9 · 2015

Operation Twin Trouble (12)

By Jason Kraft (Illustrator) · Book #12 in the Galaxy Zack series

Zack must mend his sisters' cosmic feud before it spirals out of control.

128 pages· 4,629 words· Est. 36 min read-aloud
4.1/5 Goodreads · 126 ratings
$5.99Save 4%
Summary: Zack's twin sisters, Cathy and Charlotte, are inseparable until a cosmic argument on another planet threatens their bond. Caught in the middle, Zack faces the challenge of restoring peace before their sisterly connection is lost to intergalactic chaos. Can he navigate this tricky situation and reunite them, or will their friendship be torn apart by the stars? Dive into this Galaxy Zack adventure filled with sibling drama and space intrigue, perfect for young readers.
Chapter Book · Ages 8–12 · 2013

Face Off

Discover the secrets of epic battles between heroes and villains in the LEGO Hero Factory universe.

112 pages· 10,261 words· Est. 1.5 hour read
4.1/5 Goodreads · 15 ratings
$7.99Save 5%
Summary: Dive into the LEGO Hero Factory Guide, where Mr. Makuro's creations come alive. Explore detailed bios, thrilling backstories, and secret missions. Uncover the hidden stats that could change the outcome of epic hero-villain face-offs. Will peace and justice prevail in the galaxy, or will chaos reign? This guide is your key to unlocking the mysteries and adventures of the Hero Factory world.
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