The Best Alien Books for Kids

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

Aliens crash-land and team up with insects to outsmart a curious cat.

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

Three visitors crash outside a small town, and the neighbors decide they must simply be unwell.

A red alien and a blue alien become friends, though both families insist that is impossible.

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

Aliens invade Earth for one reason: to steal underpants of all shapes and colors.

An alien teacher hilariously explains the quirks of Earth babies to his class.

A girl signals the night sky for years, and when something finally answers she has to decide whether to go.

A boy falls out of the sky in silver underwear with no memory, no manners, and something dangerous chasing him.

Pressing a mysterious red button opens a portal that swallows a best friend, so she jumps in after him.

A sixth grader discovers her substitute teacher is an alien with sinister plans.

A being made of stardust means to spend a month as a human, misses badly, and lands as a cat.

A girl and an alien mechanic embark on a wild quest to save Earth from invasion.

Raised underground by a robot, a girl reaches the surface and finds a world with no humans in it.