Mickey7 Book Review: A Clever and Thought-Provoking Sci-Fi Adventure

There are countless science-fiction novels about humans leaving Earth and attempting to colonize distant planets. Some focus on the technological challenges of space travel, while others explore humanity’s encounters with alien species. Edward Ashton’s Mickey7 takes these familiar ideas and adds an entertaining twist: What happens when the colony’s most disposable worker refuses to stay dead?

Published in 2022, Mickey7 is a fast-moving science-fiction novel filled with dark humor, philosophical questions, alien creatures, and a surprisingly relatable protagonist. Ashton uses cloning technology to examine identity, mortality, human nature, and the moral cost of building a civilization on another world.

The result is an inventive and highly readable adventure that balances serious ideas with comedy and suspense. Keep reading for our complete Mickey7 book review and to find out whether this unusual science-fiction novel should be your next read.

Mickey7 Summary

Mickey Barnes is part of a human expedition attempting to establish a colony on Niflheim, a frozen and deeply inhospitable planet. The mission is effectively a one-way journey, and every person aboard the colony ship must prove that they can contribute something important to the settlement.

Unfortunately, Mickey does not have many useful skills.

Desperate to escape his life on Earth and secure a place on the expedition, Mickey volunteers to become the colony’s Expendable. An Expendable is assigned the jobs considered too dangerous for everyone else. Mickey is sent into situations involving deadly radiation, experimental treatments, unexplored environments, and almost certain death.

The position is possible because the colony has the technology to recreate him.

Before every dangerous mission, Mickey’s memories and personality are backed up. When he dies, the colony prints a new body and uploads the stored memories into it. The new Mickey may not remember the exact moment of his death, but he remembers almost everything that happened before his most recent backup.

By the beginning of the novel, Mickey has already died six times.

During a routine scouting mission on Niflheim, Mickey7 falls into a deep opening beneath the planet’s icy surface. His fellow colonists assume that he cannot possibly have survived and return to the base without him.

Against all expectations, Mickey7 lives.

After escaping the underground environment and making the difficult journey back to the colony, he enters his room and discovers that another version of him is already there. Believing Mickey7 to be dead, the colony has printed Mickey8.

The two Mickeys now have a serious problem.

Having more than one active version of an Expendable is considered an abomination known as “multiples.” If the colony’s leaders discover that Mickey7 and Mickey8 are alive at the same time, both versions could be destroyed.

The two men reluctantly agree to hide the truth. That is easier said than done when they must share the same small living space, the same identity, the same relationships, and a limited supply of food.

Meanwhile, the colony is struggling to survive. Supplies are running low, Niflheim appears determined to kill its new inhabitants, and the native creatures known as creepers may be far more intelligent than the colonists initially believed.

Mickey7 must find a way to resolve his unusual identity crisis while also preventing the human colony from starting a conflict that it may not be able to win.

Mickey7 Book Review

The concept behind Mickey7 is easily the novel’s greatest strength.

Stories about cloning are nothing new in science fiction, but Edward Ashton approaches the subject from a funny and surprisingly personal perspective. Instead of focusing exclusively on the technology, Ashton concentrates on what it would feel like to be the person repeatedly sent to die.

Mickey is technically valuable because the colony depends on him to perform dangerous work. At the same time, he is treated as though his life does not matter because another version of him can always be printed.

That contradiction gives the novel much of its emotional and philosophical weight.

Is Mickey7 the same person as Mickey6? Does restoring someone’s memories into a new body truly bring that person back to life? Is a clone merely a copy, or is each version an individual with a right to survive?

The appearance of Mickey8 makes those questions impossible for the characters to ignore.

Mickey7 and Mickey8 share most of the same memories, but they are not completely identical. Their experiences begin to separate them almost immediately. They react differently to danger, relationships, hunger, and the possibility of death.

The novel never becomes a dense philosophical lecture. Instead, Ashton allows these questions to emerge naturally from the plot. Readers can enjoy the absurd situation of two Mickeys hiding in the same room while also considering what makes a person unique.

Mickey Barnes Is an Entertaining Protagonist

Mickey is not a fearless soldier, a brilliant scientist, or a legendary space explorer. He is an ordinary person who made several bad decisions and ended up with one of the worst jobs in the universe.

That makes him an engaging narrator.

He understands that volunteering to become an Expendable was a terrible choice, but his position also gives him an unusual perspective on the colony. He has died for its residents repeatedly, yet many of them still view him as equipment rather than a human being.

Mickey responds to his circumstances with sarcasm, frustration, and a strangely practical attitude. After dying so many times, he has become familiar with mortality without ever becoming completely comfortable with it.

His voice keeps the story entertaining, even when the novel is discussing death, starvation, exploitation, or the destruction of an alien ecosystem.

Mickey also spends time reflecting on earlier human colonization attempts. These sections provide important background information about the novel’s world and demonstrate that humanity has repeatedly made similar mistakes while expanding across space.

Some readers may find these historical passages slower than the central story. However, they help explain Mickey’s personality and reinforce the book’s larger ideas about colonization, survival, and humanity’s tendency to repeat its failures.

Humor, Science, and Philosophy

One of the best things about Mickey7 is its ability to combine different tones.

At times, the novel feels like a survival thriller. Niflheim is freezing, food is limited, and the colony could collapse. At other moments, the story becomes a dark workplace comedy about an employee whose job description includes repeatedly dying for management.

The scenes involving Mickey7 and Mickey8 are especially entertaining. The two versions must negotiate sleeping arrangements, meals, romantic complications, and dangerous assignments while pretending that only one Mickey exists.

The situation is funny, but it is never completely harmless. Discovery could mean death for both of them.

Ashton also includes enough scientific discussion to make the setting believable without overwhelming the reader. The technology behind memory storage and human replication is explained clearly, while the limitations surrounding cloning create meaningful consequences.

A newly printed Mickey is not automatically updated with every memory. If he dies before completing another backup, those recent experiences may disappear permanently. The replacement will remember the earlier version of events but not necessarily the final hours of his previous life.

This detail makes every death matter, even in a world where bodies can be replaced.

Colonization and First Contact

Although cloning is the novel’s most immediately fascinating idea, Mickey7 is also a story about colonization.

The human settlers arrive on Niflheim assuming that they have the right to control the planet. When they encounter the creepers, their first instinct is to view the creatures as pests or threats.

Mickey is more willing than many of the other colonists to question that assumption. His experiences beneath the planet’s surface lead him to suspect that the creepers may understand far more than humans realize.

This conflict adds another layer to the story. The colony is not simply fighting to survive an unforgiving environment. Its leaders may be creating a war because they misunderstand the beings who already live there.

Ashton uses the situation to explore how fear, desperation, and arrogance influence encounters between different societies. The humans have advanced technology, but that does not necessarily mean they understand Niflheim or have the moral authority to reshape it.

These ideas give the novel more depth without slowing down the adventure.

The Pacing of Mickey7

Mickey7 moves at a quick pace and is difficult to put down once Mickey returns to the base.

The secret involving Mickey8 immediately creates tension. Every conversation becomes risky because Mickey7 must remember where he is supposed to be, what other people know, and whether his duplicate has already spoken to them.

The food shortage makes their situation even more dangerous. Two bodies require twice the resources, but Mickey7 and Mickey8 must survive on the rations intended for one person.

As the colony’s crisis grows, the novel expands beyond the duplicated Mickeys and builds toward a larger confrontation involving the future of the settlement.

There are occasional sections devoted to exposition and the history of earlier colonies. These moments may interrupt the momentum for readers who prefer nonstop action. Still, most of the information becomes relevant to Mickey’s decisions and the themes of the story.

The book remains accessible throughout and never feels as intimidating as some science-fiction novels filled with complicated terminology or enormous casts.

Mickey7 and the Mickey 17 Movie

The novel was adapted into the 2025 film Mickey 17, written and directed by Bong Joon Ho and starring Robert Pattinson as Mickey. The adaptation increases the number of Mickey’s current incarnation from seven to seventeen and makes several changes to the characters and story.

Readers should therefore view the book and film as separate interpretations of the same central idea rather than expecting the movie to recreate the novel exactly.

The existence of the adaptation has introduced many new readers to Ashton’s work, but the book remains worth reading even for people who have already seen the movie. Mickey’s narration, the history of the colony missions, and his internal debates about identity receive much more room on the page.

Is Mickey7 Part of a Series?

Mickey7 is not the only novel featuring Mickey Barnes.

Edward Ashton continued the story with Antimatter Blues, which was published in 2023. The sequel follows Mickey after the events of the first book and returns to the struggling colony on Niflheim.

That means readers who enjoy the world, characters, and humor of Mickey7 have another completed adventure waiting for them.

However, Mickey7 also works well as its own story. The central conflict receives a satisfying resolution, and readers do not need to commit to a long series before beginning the novel.

Who Should Read Mickey7?

Mickey7 is an excellent choice for readers who enjoy accessible science fiction with clever ideas and a strong sense of humor.

The novel should appeal to fans of stories about space exploration, survival, cloning, artificial reproduction, alien contact, and dangerous colonies. It may also work well for readers who enjoy the problem-solving elements of The Martian but want something stranger, darker, and more philosophical.

Readers looking for hard science fiction with extremely detailed technical explanations may find the book lighter than expected. The science matters, but the characters and ethical questions remain at the center of the story.

It is also worth noting that the novel contains death, body replication, starvation, and some unsettling descriptions. Most of these moments are balanced by Mickey’s humorous narration, but the story can become darker than its playful premise initially suggests.

Final Thoughts on Mickey7

I loved the concept of Mickey7 and the way Edward Ashton uses cloning to refresh the familiar story of humans colonizing another planet.

The novel is funny, intelligent, suspenseful, and filled with interesting questions about what it means to be human. Mickey is a memorable protagonist because he is not a traditional hero. He is frightened, sarcastic, frequently unlucky, and forced to solve problems that were created by people with far more power than he has.

The conflict between Mickey7 and Mickey8 provides plenty of comedy, but it also raises the most important question in the novel: If two people share the same memories, does either one have a greater right to exist?

Ashton never offers an overly simple answer.

Instead, he delivers an entertaining adventure about survival, identity, friendship, colonization, and humanity’s complicated relationship with death.

Readers who enjoy imaginative science fiction should give this novel a chance. Mickey7 takes a familiar space-colony premise and transforms it into something original, thoughtful, and incredibly fun to read.

Rating: 4.5 out of 5 stars

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