Science Fiction for Tweens

From alien invasions to time travel, here’s a wide-ranging selection of middle grade science fiction books for both dedicated sci-fi fans and readers new to the genre. Many titles on the list are the first in a series.

Updated September 9, 2025
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1

Moongarden
Barry, Michelle A.
Ebook
"Moongarden blooms with heart and adventure. A stellar update of The Secret Garden, woven with a little science fiction, a lot of magic, a vibrant heroine, and a plucky robot sidekick to rival R2-D2." --Victoria Aveyard, New York Times bestselling author of Red Queen<...

2

Sal & Gabi break the universe
Hernandez, Carlos Alberto Pablo
Paper Book
Best-selling author Rick Riordan presents a brilliant sci-fi romp with Cuban influence by Carlos Hernandez, winner of the 2020 Pura Belpré Award. "I love this book in every possible universe! With a surprise on every page and two of the most cosmically awesome, vividly unique...

3

The last cuentista
Higuera, Donna Barba
Paper Book
Winner of the Newbery Medal--a brilliant journey through the stars, to the very heart of what makes us human. "Gripping in its twists and turns, and moving in its themes -- truly a beautiful cuento."--New York Times Había una vez . . .  ...

4

The lion of Mars
Holm, Jennifer L.
Paper Book
NEW YORK TIMES BESTSELLER * Life on Mars is pretty standard.... until a mysterious virus hits.  Don't miss this timely and unputdownable novel from the bestselling author of The Fourteenth Goldfish. Bell has spent his whole life--all eleven years of it--on...

5

The first state of being
Kelly, Erin Entrada
Paper Book
WINNER OF THE NEWBERY MEDAL A FINALIST FOR THE 2024 NATIONAL BOOK AWARD A NEW YORK TIMES BESTSELLER ALA Notable Book for Children · Chicago Public Library Best Fiction for Older Readers of 2024 · Shelf Awareness Best Books of 2024 for Kids and Teens · BookPage Best Middle...

6

Dragon Pearl
Lee, Yoon Ha
Paper Book
Rick Riordan Presents Yoon Ha Lee's space opera about thirteen-year-old Min, who comes from a long line of fox spirits. But you'd never know it by looking at her. To keep the family safe, Min's mother insists that none of them use any fox-magic, such as Charm or shape-shifting. They must appear...

7

Trouble in the stars
Prineas, Sarah
Paper Book
"A space chase that would feel right at home in the world of Star Wars. Unexpectedly out of this world." --Kirkus Reviews   From acclaimed author Sarah Prineas comes an action-packed, funny, and heartwarming outer-space adventure about a troublesome little shape...

8

I am the walrus
Shusterman, Neal
Paper Book
Eoin Colfer meets Rick Riordan--with a little Margaret Peterson Haddix sprinkled on top--in this hilarious sci-fi series from New York Times bestselling authors Neal Shusterman and Eric Elfman. ​ When fourteen-year-old Noah falls from the trees on...

9

A rover's story
Warga, Jasmine
Paper Book
New York Times bestseller * Best Book of the Year from The Washington Post, Publishers Weekly, New York Public Library, Chicago Public Library The One and Only Ivan meets The Wild Robot in this unique and deeply moving middle grade novel about the journey of a fictional Mars...

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