Covers from some of the best middle-grade sci-fi books

Middle-grade science fiction offers an exciting portal into imaginative worlds where boys and girls aged 8-12 can embark on adventures across galaxies, confront alien invasions, and discover the power of courage and friendship. In this article, we’ll review five of the best sci-fi books for young readers.

In This Article:


1. Intergalactic Jack and the Child of the Prophecy by Christopher and Christine Kezelos

Intergalactic Jack and the Child of the Prophecy book cover

Intergalactic Jack introduces Jack Marshall, a 12-year-old orphan whose ordinary life is upended when aliens abduct him in a raid for Earth’s trees. Thrust into the heart of an interstellar war, Jack soon realises that his fate is tied to the future of the entire galaxy. With his loyal dog, Nova, by his side, Jack must lead a team of quirky alien misfits to defeat the villainous General Grod.

This book is a fantastic blend of fast-paced action, humour, and heart. Jack’s growth as a leader and his journey of self-discovery resonate deeply with readers. Themes of friendship and finding family in unexpected places make this a moving read, while the space battles and alien encounters keep the excitement high. From light-hearted moments to intense scenes of Jack’s battle against Grod, Intergalactic Jack offers something for every young sci-fi fan.

For kids who love adventures with strong characters and plenty of humour, this is a must-read.

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2. Ace Takes Flight (B.E.S.T. World #1) by Cory McCarthy

Ace Takes Flight book cover

Set in a futuristic world where kids can train to become space pilots, Ace Takes Flight follows Ace as he navigates the competitive world of the Academy of Exploratory Sciences and Technology. Ace, living in the shadow of his famous family, must prove himself while also discovering who he really is.

The world-building in this book is fantastic, with a focus on cutting-edge technology, thrilling space simulations, and intense competitions. But the story is grounded in Ace’s personal journey of self-acceptance and making friends in an environment that pushes him to the limit. Young readers will relate to Ace’s struggle to stand out while staying true to himself.

The book’s fast pace and focus on teamwork make it perfect for kids who are fascinated by futuristic space travel and want to read about determined characters facing challenges head-on.

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3. Seventh Grade vs. the Galaxy by Joshua S. Levy

Seventh Grade vs. the Galaxy book cover

In Seventh Grade vs. the Galaxy, students from PSS 118 are literally lost in space when their school—turned into a spaceship—is accidentally transported across the galaxy. Suddenly, Jack and his classmates must defend themselves against alien forces and find their way back to Earth.

This book expertly balances humour, middle-school drama, and sci-fi thrills. Levy has a great knack for blending real-world challenges like dealing with bullies and teachers with the chaos of battling aliens. The story is packed with clever dialogue, and readers will find themselves laughing one minute and on the edge of their seats the next.

If your child loves both school-based stories and thrilling space adventures, Seventh Grade vs. the Galaxy is an excellent choice.

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4. Finn and the Intergalactic Lunchbox by Michael Buckley

Finn and the Intergalactic Lunchbox book cover

Finn and the Intergalactic Lunchbox is a laugh-out-loud sci-fi romp about a boy who accidentally opens a portal to another galaxy with his lunchbox. Before long, Finn and his friends are swept up in a galaxy-saving mission alongside a mysterious alien warrior.

Buckley’s storytelling is energetic and filled with witty banter, making it a delight for kids who love humour mixed with their science fiction. Finn is a relatable hero whose mistakes often lead to comedic situations, but under the fun exterior is a story about bravery and responsibility.

With its quirky characters and out-of-this-world plot, this book is perfect for kids who enjoy light-hearted, action-packed sci-fi.

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5. Last Gate of the Emperor by Kwame Mbalia and Prince Joel Makonnen

Last Gate of the Emperor book cover

Last Gate of the Emperor offers a unique blend of African mythology and futuristic space travel. Yared is a young boy living in Addis Prime, an Afrofuturistic city, where his world is turned upside down when he discovers that his family’s legacy holds the key to a galaxy-wide battle.

This book is a gripping mix of ancient lore and advanced technology, with Yared’s personal journey at the heart of it all. As he navigates high-tech battles and ancient secrets, Yared learns what it means to be brave, both for himself and those he loves. The richly detailed world-building and fast-paced plot will captivate readers.

For kids looking for a sci-fi adventure with a fresh cultural perspective, Last Gate of the Emperor is a standout.

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Conclusion

Though each of these books offers an exciting adventure for young sci-fi fans, Intergalactic Jack and the Child of the Prophecy stands out as the best place to start. With a perfect mix of action, humour, and heart, along with vivid world-building and engaging characters, it’s an ideal introduction to the thrilling universe of middle-grade science fiction.

Get Intergalactic Jack and the Child of the Prophecy