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Legion Varus was promised a garrison rotation. Six months of easy duty on a quiet, compliant world where nobody has broken a rule in years.Halfway there, something clamps onto Scorpio's hull and drills a hole into her guts. It isn't trying to destroy her. It's a needle, and the ship has just been injected. Within hours the air is turning the crew into something else, the revival machines are printing monsters, and the sealed cargo hold nobody told the legion about—containing a thousand of Earth's combat robots—wakes up with a fresh evil behind every red eye.

Centurion James McGill has a solution, the way he always does. You can't shoot air. So, he opens the ship to space and kills everyone aboard. To find out what happens next, read SPAWN WORLD, the latest action-packed entry in B.V. Larson's bestselling Undying Mercenaries series.

444 pages, Kindle Edition

Published September 19, 2026

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B. V. Larson

4 books1 follower

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5 stars
315 (76%)
4 stars
73 (17%)
3 stars
20 (4%)
2 stars
4 (<1%)
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0 (0%)
Displaying 1 - 13 of 13 reviews
3 reviews
October 4, 2026
fun to read. a mystery

I grew up working in the library in high school. Just so that I got access after all the books I wanted to read. Robert Heinlein , Lester Del Rey, Robert Silverberg all of them. I can tell you all of these stories in the undying mercenary series are right along with all of those high class writers. I’ve had to reread the whole set three times because I can’t get the books fast enough. Not too many people can keep my attention that long. And there’s enough mystery on each book so that you never get lost or bored.
336 reviews4 followers
October 2, 2026
Fun Read

McGill can’t help himself. Food, drinking, women, then fishing if he has time. He and his parents are watching his grandchild. Things go awry as usual. Central is recalling all legionaries! Galactic auditors are at Central. McGill has been called as a witness of all things all things by Graves. McGill speaking never goes without disaster. Yup! All downhill from there. Nice storyline with interesting side stories. Grab a book and enjoy reading.
1 review
September 28, 2026
Spawn World double thumbs up.

For a long time I have wanted to read more about James and his family, friends and his life in general. Book 26 doesn't dwell on his life as a soldier as in most of the prior 25 books. Great reading finished in one day. Keep them coming Brian.
All the best.
Daniel Holden
10 reviews
September 27, 2026
McGill is back

The last few books I was worried that McGill was loosing his touch, or having been revived one to many times. I feel like now he is back and thr author wants him back.
12 reviews
October 2, 2026
Undying mercenaries 26

Another great book in the series James gets in and out trouble in ways that's hard to imagine looking forward to the next one maybe he'll get to catch that big catfish.
11 reviews2 followers
October 10, 2026
Spawn World will hopefully spawn another 26 books about the big southern boy from the swamps and his full list of characters.

Just another great book. Always interesting and filled with surprises. Old James McGill has to be ready for anything and everything.
48 reviews1 follower
October 10, 2026
McGill never fails to entertain the reader

Even after 26 books he’s still fun to follow. The unending quest for roll in the hay gets old at times but it’s an essential part of the character.
9 reviews
October 15, 2026
I Amost Gave Up

BV Larsons world books had been getting predictable and… annoying. This one held to the end. Well written with the humor and style which I enjoyed from the first book. He’s back.
155 reviews2 followers
October 18, 2026
Always hilarious action

Always hilarious action throughout the book while McGill stumbles around for his next tail. When I want some laughs Always turn nothing series. Keep it coming Larson
75 reviews
October 6, 2026
Better than most

Was getting a bit stale, but this one is fun! Would be nice to see it building towards a finale versus the galactics.
6 reviews
October 17, 2026
good, like all of B.V’s books are.

An excellent escape for an old army veteran. Thank you Mr Larson! I look forward to your next book hopefully soon.
39 reviews1 follower
October 21, 2026
Wonderful

I lasted 20 books Loved every one waited till the next, BV. You're story was Epic

Can't wait to see your next.
12 reviews
September 28, 2026
where is Claver

I’ve read all the books and I have to admit. I look forward to seeing them every 6/8 months but my burning question is what happened to Claver. I know that he flavors monumentally to be king of the galaxy. He’s been quiet too long, time to bring him back.
Bravo and thanks.
Displaying 1 - 13 of 13 reviews