Books About Aliens And Extraterrestrial Beings · 375 titles considered

The Best Aliens And Extraterrestrial Beings Books for Kids

By the Bookroo Editors

Looking for excellent children's books about aliens and extraterrestrial beings? 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.

Cinder
The 5th Wave
The Shortlist

Our 10 Favorite Books About Aliens And Extraterrestrial Beings

Graphic Nov.
Sale price
$1398
Chapter Book · Ages 7–10 · 2015

The Boy Who Crashed to Earth

By Judd Winick · Hilo series

A boy falls from the sky and lands on Earth, where he befriends a human boy and together they try to stop an evil robot from destroying the world.

193 pages· 5,575 words· Est. 1 hour read
4.2/5 Goodreads · 8,122 ratings
$14.99Save 7%
Summary: When Hilo crashes to Earth, he befriends ordinary kids D.J. and Gina. Together, they must uncover Hilo's mysterious origins while navigating school and battling unexpected threats. Can they unlock the secrets of his past before it's too late? Join this laugh-out-loud adventure filled with friendship, surprises, and the occasional mutant space robot.
Chapter Book · Ages 11–15 · 2012

Cinder

A cyborg mechanic must uncover her past to save Earth from a lunar threat.

390 pages· 87,661 words· Est. 8 hour read
4.1/5 Goodreads · 1,030,211 ratings
$24.99Save 5%
Summary: In a plague-ridden New Beijing, cyborg mechanic Cinder is thrust into an intergalactic conflict. As she navigates her mysterious past and a forbidden attraction to Prince Kai, she must choose between loyalty and freedom. With Earth's fate hanging in the balance, can Cinder uncover the secrets that could save her world from a ruthless lunar threat?
Chapter Book · Ages 8–11 · 2011

Zita the Spacegirl

A young girl's friend is kidnapped by an alien species and she must navigate a strange world to rescue him.

186 pages· 4,260 words· Est. 48 min read
4.1/5 Goodreads · 19,138 ratings
$14.99Save 7%
Summary: Zita's world flips upside down when her best friend is snatched by an alien cult. Thrust into a bizarre universe, she encounters humanoid chickens, neurotic robots, and a mysterious con man. As Zita embraces her unexpected role as an intergalactic hero, she faces ancient prophecies and doomed planets. Can she navigate this strange world and rescue her friend before it's too late? Adventure, friendship, and redemption await in this whimsical cosmic journey.
Chapter Book · Ages 10–14 · 2009

The Search for WondLa

By Tony DiTerlizzi · Book #1 in the WondLa series

A girl flees her destroyed sanctuary, seeking others like her in a mysterious world.

496 pages· 74,098 words· Est. 8 hour read
4.1/5 Goodreads · 14,251 ratings
$22.99Save 5%
Summary: Twelve-year-old Eva Nine escapes her destroyed underground home, clutching a mysterious cardboard scrap depicting a girl, an adult, and a robot with the word 'WondLa.' Aboveground, she embarks on a quest to find others like her. As she navigates a strange world, Eva's journey raises questions about belonging and identity. Can she uncover the truth behind the enigmatic 'WondLa' and find her place in this vast universe? Her adventure is as complex as an alien planet yet driven by a simple wish for connection.
Chapter Book · Ages 12–18 · 2013

The 5th Wave

By Rick Yancey · Book #1 in the The 5th Wave series

Survive the alien invasion: trust no one, not even those who look human.

457 pages· 116,770 words· Est. 11 hour read
4.0/5 Goodreads · 484,174 ratings
$12.99Save 4%
Summary: In a world ravaged by alien invasions, Cassie is on the run, haunted by beings who look human but kill without mercy. Alone, she believes survival means trusting no one. But when she meets the enigmatic Evan Walker, her beliefs are challenged. Can she trust him to help save her brother, or is he another threat? As the 5th wave looms, Cassie faces a choice between hope and despair, life and death. Will she stand alone or risk everything for a chance at salvation?
Chapter Book · Ages 6–9 · 2009

January Joker

By Ron Roy, John Steven Gurney (Illustrator) · Book #1 in the Calendar Mysteries series

A group of kids try to figure out what is happening when their friends and pets start disappearing.

96 pages· 6,871 words· Est. 1.5 hour read
4.0/5 Goodreads · 1,337 ratings
$6.99Save 4%
Summary: Bradley Pinto is convinced aliens have invaded Green Lawn after spotting strange lights and three-toed tracks. His twin, Brian, and friends Lucy and Nate are skeptical until their siblings mysteriously vanish. Are extraterrestrial forces at play, or is there another explanation? As the kids race to uncover the truth, they must solve the mystery before more disappearances occur. Can they find their missing friends and unravel the secrets hidden in their town?
Chapter Book · Ages 7–9 · 2012

Fangbone! Third-Grade Barbarian

By Michael Rex · Book #1 in the Fangbone! series

A young barbarian must protect a deadly weapon from a villain in a new world.

128 pages· 4,005 words· Est. 1 hour read
4.0/5 Goodreads · 676 ratings
Summary: Fangbone, a young barbarian from another world, arrives at Eastwood Elementary with a mission: protect a deadly weapon from the evil Venomous Drool. As he navigates hound-snakes, lava-ferrets, and pop quizzes, Fangbone must rely on his new classmates to help him succeed. Can this unlikely team rise to the challenge and save the day?
Picture Book · Ages 5–7 · 2013

Hello, Nebulon!

By Colin Jack (Illustrator) · Book #1 in the Galaxy Zack series

A young boy moves to a new planet with his family and navigates a new school and friendships.

128 pages· 4,694 words· Est. 37 min read-aloud
5.0/7 Bookroo experts·4.0/5 Goodreads · 1,113 ratings
$6.99Save 4%
Summary: Zack's world turns upside down when he moves from Earth to Nebulon. Nervous about alien classmates and bizarre food, he fears losing touch with his old life. At Sprockets Academy, he meets Drake, a Nebulite who shares his curiosity. As Zack navigates the peculiarities of his new home, he receives a mysterious surprise that could change everything. What awaits him on this alien planet?
Chapter Book · Ages 14–18 · 2010

I Am Number Four

Aliens hide on Earth, hunted one by one. Number Four is next.

440 pages· 102,062 words· Est. 9.5 hour read
3.9/5 Goodreads · 354,336 ratings
$21.80Save 5%
Summary: Nine alien teens live secretly on Earth, each with extraordinary powers. Three have been hunted down and killed. Number Four must evade capture or face the same fate. As danger closes in, will he find a way to fight back, or will he be the next to fall? The clock is ticking, and survival means staying one step ahead of a relentless enemy. Dive into a world where the hunted must become the hunter to survive.
Chapter Book · Ages 12–18 · 1985

Ender's Game

A boy genius leads Earth's last stand against alien invaders, unaware of the true stakes.

253 pages· 100,609 words· Est. 9.5 hour read
6.3/7 Bookroo experts·4.3/5 Goodreads · 1,496,493 ratings
$18.99Save 5%
Summary: Ender Wiggin, a child prodigy, is thrust into Battle School to prepare for an alien threat. As he excels in zero-gravity war games, he faces isolation and rivalry. Unbeknownst to him, these games are more than they seem. Can Ender become the leader Earth desperately needs, or will the weight of his hidden mission crush him? With his siblings possessing unique talents, the fate of humanity hangs in the balance. Will Ender discover the truth before it's too late?
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Aliens And Extraterrestrial Beings Board Books for Babies & Toddlers

Sturdy, inviting books about aliens and extraterrestrial beings for the youngest readers and listeners.

Hush, Little Alien

Ages 0–18 · 1999

An alien child receives cosmic gifts and a loving goodnight kiss.

How Big Is Zagnodd?

Ages 0–5 · 2020

Discover the size of Zagnodd and meet quirky aliens in a cosmic adventure.

Space Rocket

Ages 0–3 · 2015

Join a space adventure with interactive fun as a bear explores the cosmos.

Lilo & Stitch (Disney Lilo & Stitch)

Ages 2–5 · 2021

A lonely girl and a chaotic alien discover the true meaning of family amidst an alien invasion.

Alien Baby!

Ages 0–4 · 2020

Explore a cosmic day with a curious alien toddler in a flap-filled adventure.

Alien Opposites
Sale price
$999

Alien Opposites

Ages 2–6 · 2001

Aliens invade a boy's home, sparking a night of mischievous opposites.

Alien Adventure
Sale price
$799

Alien Adventure

Ages 3–5 · 2017

Two boys blast into space, meeting aliens. What adventures await?

Say Please, Stitch!

Ages 2–5 · 2023

Stitch learns manners in a fun, chaotic journey.

View all aliens and extraterrestrial beings board books
Browse by age

Aliens And Extraterrestrial Beings Picture Books

Illustrated read-alouds about aliens and extraterrestrial beings for preschool and elementary-age readers.

Even Aliens Need Snacks

Ages 4–8 · 2012

A young chef's alien snacks bring unexpected fame across the galaxy.

If You Come to Earth

Ages 5–8 · 2020

A visitor from outer space learns about life on Earth and its inhabitants.

Lights on Wonder Rock

Ages 4–7 · 2019

A girl meets an alien, but must choose between space dreams and earthly ties.

The Way Back Home

Ages 4–8 · 2008

A boy and a Martian stranded on the moon must find friendship in the dark.

We Are Definitely Human

Ages 4–8 · 2024

Three odd visitors crash-land, sparking a humorous, heartwarming tale of unexpected friendships and acceptance.

The Spaceman
Sale price
$1799

The Spaceman

Ages 3–7 · 2024

A stranded Spaceman discovers Earth's wonders and a potential new home.

The Smeds and the Smoos

Ages 4–8 · 2020

Two alien lovers defy family feuds to unite their worlds.

A Haunted Halloween

Ages 5–9 · 2015

Zack faces eerie events that challenge his disbelief in ghosts this Halloween.

Monsters in Space!
Sale price
$599

Monsters in Space!

Ages 5–7 · 2013

A boy befriends a monster-like alien who is visiting his school on the planet Nebulon

Three's a Crowd!
Sale price
$699

Three's a Crowd!

Ages 5–9 · 2013

A boy is excited to show his friend from Earth around his new home on the planet Nebulon

There's an Alien in Your Book

Ages 3–7 · 2019

An alien crash-lands in your book. Can you help it return to space?

Beegu

Ages 3–6 · 2003

An alien stranded on Earth seeks friendship and hope before rescue arrives.

Browse by age

Aliens And Extraterrestrial Beings Chapter Books & Middle Grade

Longer stories about aliens and extraterrestrial beings for developing and independent readers.

The Predator (Graphic Novel)

Ages 8–12 · 2024

A reluctant hero must protect Earth from a hidden alien threat.

Strange Planet
Graphic Nov.
Sale price
$1499

Strange Planet

2019

Explore a whimsical world where beings navigate life's milestones with humor and charm.

Frozen Enemies

Ages 9–13 · 2013

A school trip to a space museum unleashes rival alien tribes.

Defiant
Sale price
$2199

Defiant

Ages 13–17 · 2023

A girl must confront cosmic threats and her own powers to save the galaxy.

Bad Guys in Do-You-Think-He-Saurus?
Graphic Nov.
0

Bad Guys in Do-You-Think-He-Saurus?

Ages 8–12

Winter

Ages 12–18 · 2015

A princess and her allies must overthrow an evil queen to end a war.

Cress

Ages 12–17 · 2014

A hacker's freedom could save Earth from invasion, but at what cost?

Scarlet
Sale price
$2499

Scarlet

Ages 12–18 · 2013

A cyborg fugitive and a determined girl race against a ruthless queen to uncover hidden truths.

Skyward

Ages 12–17 · 2018

A determined girl uncovers a secret that could help her become a pilot in a war-torn world.

Leonard (My Life as a Cat)
Sale price
$899

Leonard (My Life as a Cat)

Ages 8–12 · 2020

An alien cat must choose between returning home or staying with his human friend.

The League of Lasers

Ages 8–12 · 2018

Stranded on a hostile planet, Avani faces survival and rivalry challenges.

Space Runners #2: Dark Side of the Moon

Ages 8–12 · 2018

A moon vacation turns into a battle against aliens threatening Earth.

Keep exploring
Books about outer spaceBooks about braveryBooks about genetic engineeringBooks about good and evilBooks about identityBooks about kidnappingBooks about rescues and rescuingBooks about robots

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