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Zero Day Threat: A space opera adventure (The Ungovernable Book 1)
"Spectacular and thrilling! Olson's debut novel is filled with compelling characters and endless excitement." -SD Simper, author of the Fallen Gods series
She’s lost her ship, lost her job, lost her reputation, and is on the run from the law.
Jez is a damn good pilot, and she’s always worked alone. Until she got picked up for smuggling, that is. Now she’s an ex-con and ex-employed, and there are plenty of people with old scores to settle. So when a mysterious stranger in a battered pilot's coat comes to her with an offer that sounds too good to be true, she reluctantly agrees to listen.
All she has to do is fly one little job.
Four ex-convicts. One charismatic mastermind. And the most dangerous heist the System has ever seen.
Firefly meets Ocean’s Eleven in R.M. Olson’s fast-paced, kick-ass, wickedly fun space opera series, The Ungovernable. Grab a copy and join the crew.
- LanguageEnglish
- Publication dateMay 15, 2020
- File size1.2 MB
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This option includes 5 books.
This option includes 9 books.
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From the Publisher
Zero Day Threat: A space opera adventure (The Ungovernable Book 1)
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Redshift: a space opera adventure (Singularity Book 1)
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Devil to Pay: A naval military science fiction series (The Devil and the Dark...
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Inhuman (The Dark Between Stars Book 1)
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| Customer Reviews |
4.4 out of 5 stars 580
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4.4 out of 5 stars 57
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4.3 out of 5 stars 250
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4.9 out of 5 stars 13
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| Price | $4.99$4.99 | $4.99$4.99 | $4.99$4.99 | $4.99$4.99 |
| sub-genre | space heist | alien first contact | naval/military sci-fi | horror |
| Tone | funny, lighthearted | lighthearted; some heavier topics | suspenseful, adventure, some heavier topics | suspenseful, creepy, some heavier topics |
| Read this if you've always wanted to see: | Firefly X Ocean's Eleven | The Expanse X The Crocodile Hunter | Pirates of the Carribean in space | Space ghosts and other scaries |
| Space pirates | no data | no data | ✓ | ✓ |
| Twisty politics | no data | ✓ | ✓ | no data |
| Space-crime | ✓ | ✓ | ✓ | no data |
| Set in the same world | no data | no data | ✓ | ✓ |
| Diverse cast | Queer, neurodivergent, non-white characters | Queer, neurodivergent, physical disabilities, non-white characters | Queer, neurodivergent, physical disabilities, non-white characters | Queer, neurodivergent, non-white characters |
| Found family | ✓ | ✓ | ✓ | ✓ |
| Scrappy underdogs fighting the system | ✓ | ✓ | ✓ | ✓ |
Product details
- ASIN : B088C4FYPN
- Accessibility : Learn more
- Publication date : May 15, 2020
- Language : English
- File size : 1.2 MB
- Screen Reader : Supported
- Enhanced typesetting : Enabled
- X-Ray : Not Enabled
- Word Wise : Enabled
- Print length : 316 pages
- ISBN-13 : 978-1777177805
- Page Flip : Enabled
- Book 1 of 9 : The Ungovernable
- Best Sellers Rank: #576,115 in Kindle Store (See Top 100 in Kindle Store)
- #739 in LGBTQ+ Science Fiction (Kindle Store)
- #3,641 in Space Marine Science Fiction
- #4,665 in Space Opera Science Fiction (Kindle Store)
- Customer Reviews:
About the author

R.M. Olson writes feel-good space opera featuring diverse casts, found families, and loads of action. R.M. has ridden the Trans Siberian railway, jumped off the highest bungee jump in the world, gone cage-diving with great white sharks, faced down a charging buffalo bull, and knows how to milk a goat. Currently they reside in Alberta, Canada with their four children, three cats, and a dog the size of a small bear. R.M. goes hiking and skiing more often than they probably have time for, eats more chocolate than is probably good for them, and reads more books than is probably prudent.
Customer reviews
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Reviews with images
Badly edited, but a few good ideas and interesting characters
Top reviews from the United States
- 5 out of 5 stars
Love a Good Sci-Fi Heist Story
Reviewed in the United States on June 20, 2024This is a Sci-Fi heist story and I am fond of those, so it was right up my alley. Masha is pulling the strings and gets three different convicts released from prison, and then one more, Jez, escapes on her own but is soon persuaded to join the group. The reason - she’s a pilot with no ship, no money and people are after her that want to hurt and/or kill her, so she has nothing to lose. Once the job is explained to the group, they realize it might be a suicide mission, but Jez is fine with that as long as she has a ship she can fly. Ysbel has lost her family, so all she wants to do is wreak havoc with her explosives, Lev has made a deal with Masha to save his family from prison, and Tae wants to save his fellow street kids from life on the street, so all of them have incentive to go along with the plan, once they figure out what the plan is going to be. They all have their strengths and some of their past actions have impacted the other members of the group, which is revealed as we go along - so there are lots of secrets and misunderstandings as well. There is plenty of action, especially during the actual mission, and by the end, the mismatched group has meshed into a great team. The characters were all very different, but interesting, and Masha is a really mysterious mastermind. First she says she’s working for the government, then the mafia, but we don’t really know who she’s working for, if anyone, and I’m sure we’ll learn more about her and her motives in future stories. I really enjoyed the book and I’m looking forward to reading about their next mission, which they decided on at the end of this one.
One person found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 4 out of 5 stars
Space Opera at it's Space Opera-est!
Reviewed in the United States on May 11, 2025Characters with depth, fast-paced action, lotsa fun tech, and multiple books in the series? C'mon! What more da' ya' want?!
One person found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
This Book was Shiny
Reviewed in the United States on August 23, 2025I bought Zero Day Threat after reading Becky Chambers’ The Wayfarer series, because I’m on an LGBTQIA+/queer/female author kick, and - also - the book was advertised as “Firefly meets Ocean’s 11” - a boast I felt was ridiculously overconfident at the time I clicked buy.
My, how wrong I was proven. The characters are not one-to-one comparisons of course, but the feeling is definitely there. It’s clear from page one that this was a labor of love by RM, and they craft each character beautifully. These are real people; they have flaws, regrets, pain, love, joy….More depth than you might expect from a space western.
If you like sci-fi, wacky fun, or just aim to misbehave - definitely check out Zero Day Threat.
One person found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Great read. Interesting characters. Fast paced
Reviewed in the United States on January 23, 2021The characters are well developed. Interesting premise and lots of action. You should read this book. I couldn’t put it down. I’ve already downloaded the next book. Thanks to the author
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 4 out of 5 stars
Not your typical misfit crew
Reviewed in the United States on March 31, 2025This unique group of characters assembled to form a crew all have secrets, most with a darkness tied to them. But this sci-fi adventure is fun.
One person found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Pretty awesome
Reviewed in the United States on November 21, 2022I thought this was a quirky little book, the characters dynamic nicely explored, loved the action and the story. In the beginning, some characters rubbed me the wrong way, leaning too heavily on their archetype. The amount of times the 'street kid' called himself a street kid annoyed me in the beginning, but he quickly grew out of it and I liked him after that. Some mishaps with grammar and an odd sentence or two but can't win them all.
Really, nicely written and I already picked up the second one.
3 people found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 3 out of 5 stars
Zero Day
Reviewed in the United States on July 22, 2023Hard to get into. About 1/2 way the story takes off. Looking forward to the next chapter of this UNGOVERNABLE team.
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Excellent start of a series!
Reviewed in the United States on July 10, 2024The author has done a great job of creating a world populated with interesting, complex characters. While the plot is well developed and engaging, it is the depth of characterization that elevates this novel from "very good" to "excellent"!
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Top reviews from other countries
Carrie5 out of 5 starsSeriously fun heist story
Reviewed in the United Kingdom on July 30, 2022Four disperate and desperate souls, faced with their own secrets and demons, agree to carry out an impossible task for a shady government operator.
The sci fi heist, done well, is a blast to read and Olson's pageturner zips along at a joyful pace with revelations galore. The characters bounce, whinge, moan and grow into the family none of them thought they wanted.
Reading like a mash up of Mission Impossible, Aurora Rising and Six of Crows, this first book in a series of adventures is a winner and would make a great tv series.
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Fabrice5 out of 5 starsL'agence tout risque, version space opéra
Reviewed in France on January 25, 2021Un livre que j'ai adoré. D'ailleurs je viens d'acheter la suite.
Les + :
- les personnages très fouillés, qu'on a envie d'aimer et qui fonctionnent super bien ensemble. C'est drôle de voir l'équipe s'assembler et affronter sa première mission
- l'intrigue qui est prenante
C'est du space opéra classique, direct et ca fait du bien !
Les -
- la technologie pourrait être plus fouillé et ceux qui ont besoin des caractéristiques de l'hyperdrive pour accrocher pourront rester sur leur faim. Ca n'est pas de la hard SF.
En conclusion ? ras le bol de ces livres anxiogènes sur la fin du monde ? Et bien changez ! Zero day threat est une réponse :-)
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Kindle Customer5 out of 5 starsAction pack and well written!
Reviewed in Canada on February 6, 2021It's like dirty dozen, oceans right and firefly. It so awesome. Keep up the good work! The new old shop will be the other character in this fantastic story. Thank you for this book! I can't wait for the next one...
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John B Grout4 out of 5 starsFun characters, quick to read, rip-roaring space opera with a heart
Reviewed in the United Kingdom on November 15, 2021The characters and arc plot of this series are very enjoyable. The main characters have well-developed voices and grew on me easily, and Olson's prose is good enough to be invisible. Some delicious moments and an enjoyable, mostly light-hearted series with a diverse cast and quick pacing in an interesting setting that I'd love to know more about. Occasionally let down by its editor (more frequent in later books), but hits more than it misses. Would particularly appeal to YA readers. Wish I'd been able to read it twenty years ago.
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AMG5 out of 5 starsA book you can't put down.
Reviewed in the United Kingdom on May 25, 2025This is the first book I have read from RM Olson , and what a book.
Great storyline, great characters and back story.
Non stop action from start to finish.
I am really looking forward to reading the next book in the.
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