Galaxy Zack book cover

The Galaxy Zack Series in Order

The Galaxy Zack series can be read in any order, though starting with Hello, Nebulon! provides the clearest introduction to the setting and recurring characters. Zack Nelson and his family move from Earth to the space station Nebulon, where he adjusts to life among aliens, attends an intergalactic school, and explores the galaxy with his new friends and robot pal.

🟡 Mostly Standalone · Start Anywhere

Galaxy Zack Books in Order

18 books

How to Read the Galaxy Zack series

🟡 Mostly Standalone · Start Anywhere

Mostly standalone stories with recurring characters in a shared setting.

The Galaxy Zack series does not need to be read in order. Each book tells a complete story with its own resolution centered on a specific adventure or problem on Nebulon. Continuity is limited to recurring characters and the shared space station setting. Reading out of order does not cause confusion, as each volume clearly reintroduces Zack’s world and friendships while delivering an independent story.

About the Galaxy Zack series

Series Premise

The Galaxy Zack series follows a young boy’s adventures after relocating to a futuristic space station. Each book features a new school or family challenge—such as making friends with alien classmates, dealing with zero-gravity sports, or encountering strange creatures—blending everyday kid problems with light science fiction.

Main Characters

Zack Nelson serves as the curious and adaptable central protagonist adjusting to life in space. His friends include an alien classmate named Drake and a helpful robot named ARThUR, while his family members appear regularly as supporting figures across the books.

Setting

The series is primarily set on the advanced space station Nebulon, complete with floating schools, alien markets, zero-gravity playgrounds, and views of distant planets. Occasional stories venture to nearby planets or ships while maintaining the station as home base.

Tone & Themes

The tone is fun, light-hearted, and optimistic with gentle humor and mild excitement. Central themes include friendship across differences, adapting to change, embracing new experiences, and the value of kindness in unfamiliar situations.

Is This Series Worth Reading?

This series appeals to children ages 6–9 who enjoy early chapter books with space themes, relatable school stories, and colorful illustrations. It suits readers transitioning from picture books who want short, engaging adventures with a futuristic twist.

Content Warnings and Heat Level

Completely wholesome with no violence, scares, or mature content; perfect for early elementary readers.

The Galaxy Zack series offers accessible science fiction stories for young readers through Zack’s experiences on Nebulon. Its mostly standalone structure with familiar characters makes it easy to enjoy any book. The mix of everyday kid moments and imaginative space elements creates positive, entertaining reads.

FAQ

How many books are in the Galaxy Zack series?

18 books

When will the next book in the series be released?

No new book is currently scheduled. The latest book, Game Over, Nebulon, was published in December 2022.

When was the most recent book released?

Game Over, Nebulon was published in December 2022.

What was the first book in the series?

The first book in the series is Journey to Juno, published in April 2013.

What genre is the Galaxy Zack series?

The series primarily falls into the Science Fiction genre.

Do you need to read the Galaxy Zack series in order?

No, the books do not need to be read in order. Each story stands on its own, but recurring characters and the shared setting connect the series.

What is the Galaxy Zack series about?

The Galaxy Zack series follows a young boy’s adventures after relocating to a futuristic space station. Each book features a new school or family challenge—such as making friends with alien classmates, dealing with zero-gravity sports, or encountering strange creatures—blending everyday kid problems with light science fiction.

Is the Galaxy Zack series finished?

The series does not currently have a new book scheduled.