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Undying Mercenaries #25
Hell World
Four hundred degrees! Toxic atmosphere! Gravity beams that crush men in armor like beer cans! Welcome to Infernus.
Legion Varus assaults an alien stronghold that’s too close to Mother Earth. The battle turns into a meat grinder that chews through soldiers faster than revival machines can spit them out again.
When enemy reinforcements approach the star system, the campaign becomes a race against time. Centurion James McGill must defeat the Demons and their minions before it’s too late. He teams with old friends and old enemies. Robots, Blood Worlders and Saurians join the fight in a grand battle on a deadly planet.
Then McGill meets the entity that is behind the invasion, changing everything…
HELL WORLD is the latest action-packed entry in B.V. Larson's bestselling Undying Mercenaries series.
Legion Varus assaults an alien stronghold that’s too close to Mother Earth. The battle turns into a meat grinder that chews through soldiers faster than revival machines can spit them out again.
When enemy reinforcements approach the star system, the campaign becomes a race against time. Centurion James McGill must defeat the Demons and their minions before it’s too late. He teams with old friends and old enemies. Robots, Blood Worlders and Saurians join the fight in a grand battle on a deadly planet.
Then McGill meets the entity that is behind the invasion, changing everything…
HELL WORLD is the latest action-packed entry in B.V. Larson's bestselling Undying Mercenaries series.
- GenresScience Fiction
492 pages, Kindle Edition
Published March 28, 2026
222 people are currently reading
37 people want to read
About the author
B.V. Larson
128 books1,541 followersBrian Larson is an American science fiction and fantasy author
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Displaying 1 - 22 of 22 reviews
April 8, 2026
Good Read
McGill is facing being permed. A Galactic tribunal has been convened facing charges of killing Galactics of various species, working with rebels, stealing Galactic items, visiting Galactic worlds, etc., but it doesn’t stop there! Oh no! His crimes are so severe that the Galactics having taken notice also noticed humanity expanding to establish distant colonies against Galactic rules which calls for the complete annihilation oh the human race! No wiggle room of Ol’ McGill on this one! But it is James McGill we’re talking about. It’s about to get very interesting for James and Humanity!
McGill is facing being permed. A Galactic tribunal has been convened facing charges of killing Galactics of various species, working with rebels, stealing Galactic items, visiting Galactic worlds, etc., but it doesn’t stop there! Oh no! His crimes are so severe that the Galactics having taken notice also noticed humanity expanding to establish distant colonies against Galactic rules which calls for the complete annihilation oh the human race! No wiggle room of Ol’ McGill on this one! But it is James McGill we’re talking about. It’s about to get very interesting for James and Humanity!
April 10, 2026
these books are best spaced apart by at least a few months. otherwise you notice the repeated plots and scenes between books.
it is sad that the most interesting characters serve to just either be a comedic foil or sexual conquest for mcgill.
also after 25 books the copy editor must be getting really tired!
"He soon drowned. It didn’t even take that long. Maybe I hadn’t given him a chance to get a good, solid breath before he went under."
"Collins had been assigned to ride herd on the robot operators for a scouting mission."
it is sad that the most interesting characters serve to just either be a comedic foil or sexual conquest for mcgill.
also after 25 books the copy editor must be getting really tired!
"He soon drowned. It didn’t even take that long. Maybe I hadn’t given him a chance to get a good, solid breath before he went under."
"Collins had been assigned to ride herd on the robot operators for a scouting mission."
April 21, 2026
Very repetitive, if you read any of the first 24 books in the series, you've read this book too. Suffers from small cast syndrome, and did I say repetitive? Whilst McGill was finding his way, moving up the chain of command there were interesting events occurring in the series, but this was long ago, and now it is same old same old, boring. Annihilation coming, send Varus, baddies on the horizon, send Varus, what happened to the many legions mentioned earlier in the series? And enough with the octagenarians running things. Find a way to perm a few so that we can get away from the boring small cast syndrome. Watching grass grow would be a positive alternative to reading yet another book in this series unless the author can move the story forward and with that goes change in the characters, fresh people and what of the core? And no Claver!
This entire review has been hidden because of spoilers.
April 18, 2026
Praise for McGill!
Somehow, he finds a way to keep winning. I’d be kinda nice if he and Galina worked out something semi-permanent. It’s obvious they have a thing for each other. Maybe future missions could have them working more as a team rather than ‘cause and effect’. There’s a number of possibilities there, even more covertly. Good writing, good humor, definitely captures military attitude. Keep up the good work!
Somehow, he finds a way to keep winning. I’d be kinda nice if he and Galina worked out something semi-permanent. It’s obvious they have a thing for each other. Maybe future missions could have them working more as a team rather than ‘cause and effect’. There’s a number of possibilities there, even more covertly. Good writing, good humor, definitely captures military attitude. Keep up the good work!
April 6, 2026
Twenty five books in and the formula keeps working.
What can you say about a series you are 25 books deep into?
The formula works. I love this series. And this book in particular leaves some surprisingly good feelings in its wake.
In a lot of ways, the larger story of the series keeps drawing me in, while the War Of The Book is always reasonably novel and interesting.
What can you say about a series you are 25 books deep into?
The formula works. I love this series. And this book in particular leaves some surprisingly good feelings in its wake.
In a lot of ways, the larger story of the series keeps drawing me in, while the War Of The Book is always reasonably novel and interesting.
April 1, 2026
Another good one in a good series
An interesting new world for McGill to fight and die on. Some interesting new interactions with old goes. Well worth a read. Looking forward to the next one.
An interesting new world for McGill to fight and die on. Some interesting new interactions with old goes. Well worth a read. Looking forward to the next one.
April 3, 2026
Refined
Possibly the best chapter yet in Magills series. The writing has matured and there are no remaining remnants of the book a few books ago that seemed to have used AI in part. Not just slogging it out in battle but addressing other parts of his life. A good read!
Possibly the best chapter yet in Magills series. The writing has matured and there are no remaining remnants of the book a few books ago that seemed to have used AI in part. Not just slogging it out in battle but addressing other parts of his life. A good read!
April 4, 2026
Hell World A++++++ and then some
Book 25 holds its own! I came away with the feeling this story is not yet told. Looking forward to that next book and the fight that must resume to extreminate the nanites and the worms. Otherwise it will be us......
Book 25 holds its own! I came away with the feeling this story is not yet told. Looking forward to that next book and the fight that must resume to extreminate the nanites and the worms. Otherwise it will be us......
April 9, 2026
Tired she boring
I enjoyed these at the beginning, but they are tired and boring now. Formulaic, and just not very creative - because they're all essentially the same book. Time to put this series to bed.
I enjoyed these at the beginning, but they are tired and boring now. Formulaic, and just not very creative - because they're all essentially the same book. Time to put this series to bed.
April 9, 2026
just getting better
The last few Undying Mercenaries books have shown a slow growth to McGill that I like. Sooner or later with his experience he has to start thinking about the bigger picture. I’m glad to see some thought penetrating that thick skull!
The last few Undying Mercenaries books have shown a slow growth to McGill that I like. Sooner or later with his experience he has to start thinking about the bigger picture. I’m glad to see some thought penetrating that thick skull!
April 11, 2026
Great Read, the great McGill
As always, very enjoyable. A new world, maybe “Fantasy World” where the galactics go to vacation but it is invaded and there are many important hostages but McGill can’t leave based on his current pardon boundaries but he is what is needed.
As always, very enjoyable. A new world, maybe “Fantasy World” where the galactics go to vacation but it is invaded and there are many important hostages but McGill can’t leave based on his current pardon boundaries but he is what is needed.
April 25, 2026
Another awesome McGill story!
Keeping it interesting with another James McGill adventure. I love the direction the series is going and look forward to enjoying the journey as James makes his way to the top.
Keeping it interesting with another James McGill adventure. I love the direction the series is going and look forward to enjoying the journey as James makes his way to the top.
April 27, 2026
Its not that I didn't enjoy this book. Its more that the whole series is getting a bit stale. McGill has been a Centurion for about 15 books now. Its the same basic story being rinsed and repeated. There needs to be something different and soon to freshen it all up.
March 30, 2026
excellent as always.
This series is my favorite of all the series I read. Love it Always preorder books by this author. Look forward to next
This series is my favorite of all the series I read. Love it Always preorder books by this author. Look forward to next
April 5, 2026
Another Hit
Another great book in the series. Enjoyed all of McGills antics. Looking forward to the next book in the series.
Another great book in the series. Enjoyed all of McGills antics. Looking forward to the next book in the series.
April 6, 2026
prison world
I really enjoy McGill’s antics in the series so far I could just imagine him going to prison and just taking it over.
I really enjoy McGill’s antics in the series so far I could just imagine him going to prison and just taking it over.
April 11, 2026
Somehow he keeps producing
This book was really good. I love how past characters come back at random in these books. The end was... Actually heart warming. Y'all know James 😂
This book was really good. I love how past characters come back at random in these books. The end was... Actually heart warming. Y'all know James 😂
April 12, 2026
was and kindness
You will be in the shit of battle and find your kindness will make for a bright spot in your memory.
You will be in the shit of battle and find your kindness will make for a bright spot in your memory.
April 12, 2026
hero in for a long haul?
Well after a long excursion what’s better than fried catfish ? fried catfish with a pretty woman will beat it!
Well after a long excursion what’s better than fried catfish ? fried catfish with a pretty woman will beat it!
April 16, 2026
Great as always.
Another great read. Please keep up the great work. Can't wait for vol 26. Need 6 more words,silly review one.
Another great read. Please keep up the great work. Can't wait for vol 26. Need 6 more words,silly review one.
April 22, 2026
Wicked!!
As always, a great read. I love this series! And I can’t wait for the next chapter for James McGill.
As always, a great read. I love this series! And I can’t wait for the next chapter for James McGill.
May 3, 2026
What's next?!!!
This series is so much fun! The growth of the character and stories is great. I'm excited for the next adventure!
This series is so much fun! The growth of the character and stories is great. I'm excited for the next adventure!
Displaying 1 - 22 of 22 reviews