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United States of Z - Book 3: A Post-Apocalyptic Thriller

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Protocol 9 Agent’s “We come when called, serve in silence, and fall for those we may never know.”

When a viral outbreak turns most of the population into violent, animalistic predators, the agents are activated. Their to navigate the chaos, stop the enemy behind the virus, and save humanity before there’s no one left to save.

After an epic battle to save Josh Allman, Mark Moon, and Director Yorgey can’t rest—other men from Team 3 are still missing. Sent back into the dead zones, their mission takes a dangerous turn when Doctor Carter arms Moon with an untested and experimental vaccine to try on the battlefield.

The cure could save humanity…or end it.

258 pages, Kindle Edition

Published December 24, 2025

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Olin Lester

18 books30 followers

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Displaying 1 - 2 of 2 reviews
Profile Image for Jarryd Kalideen.
406 reviews7 followers
January 24, 2026
Look, the whole "America = Freedom, the protector of the world" thing gets old, very fast.

If you read the story without noticing too much, it's all well and good. However, picking up a few things takes the gloss away. For instance, it's well known by now that the Carriers are mainly nocturnal. Considering that power is out everywhere, it would be logical that most movement happens during the day. Yes? Well, no. Most of the story happens at night, in the utter blackness. Presumably done to add more (unnecessary) high stake situations. One of them being California & Pauls boat insertion - they drive straight into a few Carriers who jump onto their boat since it's dark & they can see nothing. This ultimately leads to the death later on since again, it was still pitch black. Said death wasn't necessary & was completely avoidable.

Whilst the heroes are fighting off the Carrier hordes at the velodrome, something happens that causes a mistaken death of a civilian, due to Mark. The author then says it would be months before Mark became aware of this. Which means Mark is alive and well for at least a few months longer. Yet, the promo note for the next book asks if Mark is going to be executed. Clearly not huh.

There's no real intensity, nor does one feel the thriller aspect.
7 reviews
January 13, 2026
always a thrill ride

Olin Lester once again has written a riveting book. I enjoyed every twist and turn! Fantastic pulse pounding mind blowing thriller!
Displaying 1 - 2 of 2 reviews

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