Outsphere Book Tour

Mystery and uncertainty shape the atmosphere surrounding Outsphere by Guy-Roger Duvert. The story follows humanity’s attempt to rebuild after leaving Earth behind, only to uncover signs that their new home may already carry the weight of another civilization’s history.

Outsphere

by Guy-Roger Duvert

Synopsis
Two human expeditions arrive on the same world carrying completely different ideas of what the future should look like. The first settlers come prepared for hardship and survival after decades spent traveling through deep space. The second arrives stronger, more advanced, and unified in ways that make the original colonists uneasy from the beginning.

Neither side arrives on a blank slate. Beneath Eden’s surface lie remnants of a vanished civilization and systems that appear far from dormant. As discoveries accumulate, the planet itself begins influencing events in ways neither group fully understands.

The growing tension between both expeditions transforms the struggle into something larger than colonization. One side still clings to individuality and uncertainty, while the other represents a version of humanity designed to eliminate conflict entirely. Outsphere explores the cost of those choices and questions whether survival alone is enough to justify what humanity becomes in the process.

 

Author Interview

What’s a detail, theme, or clue in your book that most readers might miss on the first read—but you secretly hope someone notices?

The genetically engineered humans, called Atlanteans, have weird names such as S2113 or M1645. There is a logic, but in France, only a very small fraction of readers guessed it, before I actually revealed it in the second tome.

 

When did this story or idea “click” into place for you—was there a single moment you knew you had to write it?

It was actually a TV show concept at first, that I wrote in 2007. I wrote the novel in 2013, but no publisher got interested. I finally released it in 2019, and it became a best seller since then, with awards and recognition such as Audible France.

The ideas that started it are: (1) the idea of 2 ships leaving at two different times but arriving at the same moment, which brings the question of what defines us as mankind and how that can evolve with time, (2) I’ve seen movies and read books about Earth trying to defend itself against invaders. I found it interesting to imagine how aliens could plan to defend against us.

 

Which character or real-life person surprised you the most while writing this book, and why?

Saying his name would actually be a spoiler, but there is one character who is important in this first volume, but couldn’t be described as a main character, while they clearly end up being one of the saga’s main characters. I ended up liking them more than the official main characters, with time.

 

If your book had a soundtrack, what three songs would be on it and what scenes or moments would they pair with?

I wouldn’t put songs, but movie score tracks:

– Interstellar (Main Theme): arrival of the first spaceship, the Ark, and preparation of the colonization of the planet

– Homeworld (Turanic Battle Music): arrival of the second ship, the Utopia, and the climax during the last part of the novel.

– Assassin’s Creed 3 (An Uncertain Present): exploration of the aliens’ ruins.

 

What’s one belief, question, or emotional truth you hope readers carry with them long after they finish your book?

I hope readers feel the tension between hope and repetition — the idea that even when humanity gets a second chance, it may still make the same mistakes. The book asks whether survival is enough, or whether change is the real challenge.

 

Tell us about a moment during the writing process when the story (or message) took an unexpected turn.

The way I write, I spend a lot of time working on my structure before the writing process itself. Which means that once I start writing per se, the plot doesn’t change. Before starting the first word, I knew how volume 5 would end. The characters, however, may change partially. As said above, one of them became fascinating in a way I hadn’t expected at first.

 

If your protagonist could give the reader one piece of advice, what would it be?

Know your strengths but don’t forget your weaknesses. Tame them.

 

What real-world place, object, or memory helped shape a key element in your book?

Good question. Some Chinese landscapes, with these very pointy peaks, like in Huangshan, clearly inspired me for the general look of the planet where the novel is set.

 

What’s something you had to research, learn, or experience to write this book that genuinely shocked you?

Outsphere was written in 2013 and published in France in 2019. One section of the novel deals with a pandemic, and in the years that followed I was struck by how closely real-world debates around COVID-19 echoed the book’s tension between individualistic and collectivist responses to crisis.

 

If your book were invited to join a shelf with three other titles, which ones would make you happiest—and what would that shelf say about your story?

I’d be happiest to see Outsphere on a shelf alongside Dune, Foundation, and The Expanse.

That shelf would signal a story that blends big ideas with momentum: science fiction driven by political tension and world-building, but also by a fast pace, constant reversals, and large-scale action. Like those novels, Outsphere balances ideology and spectacle, pairing philosophical stakes with twists, conflict, and epic set pieces.

 

 

About the author:

Guy-Roger Duvert is a French science fiction author, filmmaker, and composer whose work spans literature, cinema, and interactive media.

After studying political science and business, he began his career composing music for films, television, and video games before writing and directing the cyberpunk feature Virtual Revolution (released internationally as 2047: Virtual Revolution).

He made his literary debut with Outsphere, which became a bestseller in France and was later named by Audible France as one of the Top 10 Greatest Science Fiction Novels of All Time, alongside Dune, 1984, and Foundation.

Duvert has since published around twenty novels, establishing himself as a prominent voice in contemporary European speculative fiction. His work is recognized for its scale, layered world-building, and exploration of power, technology, and human evolution.

He is currently based between Los Angeles and France. Follow Guy on Instagram.

 

Amazon: https://amzn.to/4doMylP

Goodreads: https://www.goodreads.com/book/show/45785932-outsphere

 

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