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.
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.
A cyborg mechanic must uncover her past to save Earth from a lunar threat.
A young girl's friend is kidnapped by an alien species and she must navigate a strange world to rescue him.
A girl flees her destroyed sanctuary, seeking others like her in a mysterious world.
Survive the alien invasion: trust no one, not even those who look human.
A group of kids try to figure out what is happening when their friends and pets start disappearing.
A young barbarian must protect a deadly weapon from a villain in a new world.
A young boy moves to a new planet with his family and navigates a new school and friendships.
Aliens hide on Earth, hunted one by one. Number Four is next.
A boy genius leads Earth's last stand against alien invaders, unaware of the true stakes.
Sturdy, inviting books about aliens and extraterrestrial beings for the youngest readers and listeners.
An alien child receives cosmic gifts and a loving goodnight kiss.
Discover a world of quirky monsters from A to Z in this playful alphabet adventure.
Discover the size of Zagnodd and meet quirky aliens in a cosmic adventure.
Join a space adventure with interactive fun as a bear explores the cosmos.
Aliens invade a boy's home, sparking a night of mischievous opposites.
Two boys blast into space, meeting aliens. What adventures await?
Explore a cosmic day with a curious alien toddler in a flap-filled adventure.
A lonely girl and a chaotic alien discover the true meaning of family amidst an alien invasion.
Stitch learns manners in a fun, chaotic journey.
Illustrated read-alouds about aliens and extraterrestrial beings for preschool and elementary-age readers.
A young chef's alien snacks bring unexpected fame across the galaxy.
A visitor from outer space learns about life on Earth and its inhabitants.
A girl meets an alien, but must choose between space dreams and earthly ties.
A boy and a Martian stranded on the moon must find friendship in the dark.
Two alien lovers defy family feuds to unite their worlds.
Zack faces eerie events that challenge his disbelief in ghosts this Halloween.
A boy is excited to show his friend from Earth around his new home on the planet Nebulon
A boy befriends a monster-like alien who is visiting his school on the planet Nebulon
An alien crash-lands in your book. Can you help it return to space?
A stranded Spaceman discovers Earth's wonders and a potential new home.
An alien stranded on Earth seeks friendship and hope before rescue arrives.
Three odd visitors crash-land, sparking a humorous, heartwarming tale of unexpected friendships and acceptance.
Longer stories about aliens and extraterrestrial beings for developing and independent readers.
A robot from another dimension tries to stop an evil robot from taking over the world.
An exiled alien cat and a boy face unexpected pasts in a new school.
A third-grade class is visited by an alien spaceship and their teacher is taken away by his fellow aliens.
A hero must choose between their destiny and their friends
A boy must navigate his newfound powers and his place in the world while confronting an evil robot that threatens humanity
A robot tries to save a planet from destruction with the help of his friends.
Two friends go on a camping trip with the Beaver Scouts, where they have exciting adventures and learn new things about each other and themselves.
A young girl tries to contact people using her ham radio, but her friend becomes convinced that they are being contacted by aliens
Alien lunch ladies threaten the school. Can Captain Underpants save the day?
A boy and his robot friend try to save the world from an evil robot.
A group of animal friends must work together to stop an alien invasion and save the world
A young lunar resident uncovers a deadly secret on Moon Base Alpha.
