15 Amazing Science Fiction Books for 3rd Graders (Age 8)

Science fiction books for 3rd graders can be an excellent way to encourage their minds and help them explore the worlds of fantasy and creativity. These books provide opportunities for young readers to explore different worlds and experience thrilling adventures. Through these stories, they can learn about science and technology topics in a fun and exciting way.

In this post, we will explore 15 Amazing Science Fiction Books for 3rd Graders.

In fact:

The science fiction books mentioned in this post are based on comprehensive research and reviews and are considered some of the best Science Fiction Books For 3rd Graders.

Are You In a Hurry?

If you’re in a hurry and looking for some of the Best Science Fiction Books, Look no further! We have curated a list of the three Best Science Fiction Books, that are perfect for 3rd Graders.

Science Fiction Books For 3rd Graders

3rd grade is an important year for children as they transition from learning to reading. It is also a year when children are beginning to develop their thinking skills and are becoming more curious about the world around them.

Choosing the right science fiction books for 3rd graders can help children to develop a love of reading and a lifelong curiosity about the world around them.

Overview Of The 15 Amazing Science Fiction Books for 3rd Graders

Let’s dive right in…

Note: You can purchase these books by clicking on the title link. Please note that the links to purchase these books are affiliate links from Amazon.

Hello, Nebulon!

In “Hello, Nebulon!” by Ray O’Ryan, Zack faces a big move from Earth, feeling anxious about starting school and making new friends. However, a mysterious surprise brings excitement. Join Zack on a thrilling space adventure filled with friendship, discovery, and surprises.

Be sure to check out The Galaxy Zack Ten-Book Collection.

Last Gate of the Emperor

“Last Gate of the Emperor” by Kwame Mbalia is an exciting adventure to the Ethiopian empire. Yared lives in Addis Prime with his uncle and friend, Besa. Playing an AR game, when Yared uses his real name, something happens, and his uncle disappears. With Besa and Ibis, they search for their uncle and find secrets in the galaxy.

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In “Jinxed” by Amy McCulloch, meet Lacey, a talented coder who dreams of working for a big tech company. When she’s rejected, she finds a broken Baku, a cool gadget. After fixing it, Baku, named Jinx, helps her get into her dream school. As Lacey competes with other students in a contest, she discovers a dangerous secret about Jinx.

City of Thieves

In “City of Thieves” by Alex London, the story takes place in a city where dragons are a big part of life. Humans use dragons for many things. Abel loves dragons and his sister gives him a stolen dragon. Abel finds out that his sister is a dragon thief! Now, he must deal with secrets and decide who to trust to protect his family and friends.

Alien Summer

In “Alien Summer” by James S. Murray, follow four kid interns at Area 51. Viv’s summer takes a turn when aliens escape from the secret base. Now, Viv and her friends must work together to save the day and protect Area 51. Join Viv and her friends on a thrilling journey.

The Return of Zita the Spacegirl

The Return of Zita the Spacegirl by Ben Hatke. Join Zita on her final adventure as she faces her toughest challenge yet. As she is jailed on a prison planet, Zita must create a brave plan to escape and stop evil from taking over the galaxy.

If you loved this book, be sure to check out the entire Zita the Spacegirl trilogy set.

The Invasion

The Invasion by K. A. Applegate. Join Jake and his friends on a thrilling adventure as they discover a secret attack on humanity and are given the power to fight back. When they see a strange light in the sky heading toward them, they learn that they can transform into some of the most dangerous creatures on Earth.

If you enjoyed this book, be sure to check out the next book in the series.

CatStronauts: Mission Moon

CatStronauts: Mission Moon by K. A. Applegate. When the world is faced with a global energy crisis, the CatStronauts are called upon to save the day by setting up a solar power plant on the moon, as they use their unique talents to complete the most important mission of their lives.

Target Practice: Cleopatra in Space

Cleopatra in Space by Mike Maihack. When Cleo finds a mysterious tablet, she’s whisked away to Yasiro Academy, where she discovers that it is destined to save the galaxy from the evil Xaius. Along the way, she learns what it takes to be a leader, makes new friends, and faces challenges in a dangerous world.

Little Robot

In Little Robot by Ben Hatke, a little girl discovers a small robot in the woods and activates him with a button. The two quickly become friends, but their happiness is threatened when a group of bad robots arrives, seeking to capture the little robot for their own bad purposes, the girl sets out to protect her mechanical friend.

This book explores themes of friendship and loyalty.

The Alien Adventures of Finn Caspian

The Alien Adventures of Finn Caspian by  Jonathan Messinger. Join Finn and his team in their latest adventure as they explore a planet full of robots. But things take a turn when Finn’s best robot friend, Foggy, catches a strange virus. As the robotic virus spreads, Finn and his friends must find a cure before it’s too late.

The Bad Guys

In “The Bad Guys” by Aaron Blabey, the bad guys find themselves million years ago, dealing with dinosaurs and trying to fix their time machine. Get ready for an exciting adventure full of laughs and challenges!

The Mysteries of the Universe

The Mysteries of the Universe by Will Gater is a space encyclopedia that is perfect for 3rd graders to explore and learn about the massiveness of space. provides fun facts and exciting new discoveries that will inspire their children to journey through the universe.

Aliens for Breakfast

In “Aliens for Breakfast” by Stephanie Spinner, join Richard as an alien surprises him during breakfast! With the help of Aric, a creature from the planet, they fight evil aliens to save the world.

Waffles and Pancake

In Waffles and Pancake by Drew Brockington, follow the adventurous kittens as they embark on a fun-filled trip to the science museum with their Dad-Cat. As they explore the wonders of the museum, they face all sorts of exciting exhibits. However, when the kittens get separated from their Dad-Cat, they must use their knowledge to navigate the museum and find their way back to him.


Reading is an important part of a child’s development, and science fiction books can be a great way to introduce them to the wonders of the world. Science fiction books for 3rd graders offer fun stories and exciting adventures that will help them learn about the world around them.

We hope that these books will help your 3rd Grader explore their imagination and discover new ideas and possibilities.

I want to emphasize that while I have recommended these science fiction books for 3rd graders based on my research, I have not personally read them all. However, these books have been highly praised by other readers and critics alike, making them excellent options for 3rd graders who want to delve into the exciting world of science fiction.

We would love to hear from you about your experiences with these books or any other science fiction book recommendations you have for 3rd Graders.

Please leave us a comment below!


What is a science fiction book for 3rd Graders?

A science fiction book for 3rd graders is a book that uses imaginative and futuristic concepts to tell a story. Some examples of science fiction books for 3rd graders are “Little Robot”, and “CatStronauts”.

What science fiction teaches 3rd Graders?

Science fiction can teach 3rd graders about imagination, problem-solving, and futuristic ideas. It can also introduce them to scientific concepts and encourage curiosity about the world around them.

Why are science fiction books good for 3rd Graders?

Science fiction books are good for 3rd graders because they can spark their imagination and creativity, and introduce them to new and exciting ideas. They can also help develop critical thinking and problem-solving skills, and encourage an interest in science and technology.

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