T.R. Harris

T.R. Harris

Upcoming T.R. Harris Books

February 17th, 2026: The Chameleon (The Last Cyborg, #4)

The Raptor (Human For Hire, #15) was the most recently released book by T.R. Harris, on December 23rd, 2025.

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T.R. Harris Stats: The most read book by T.R. Harris on Book Notification is The Fringe Worlds, the first novel in The Human Chronicles series. The second most read book is Alien Assassin (The Human Chronicles #2).

Below is a complete list of T.R. Harris books in publication and chronological order, broken down by series. The most popular series by T.R. Harris is The Human Chronicles Series.

List of The Human Chronicles Books in Publication Order

ReadTitle Avg.YearBook Link
1
8
The Fringe Worlds
2011
Go
2
7.3
Alien Assassin
2012
Go
3
7
The War of Pawns
2012
Go
4
6
The Tactics of Revenge
2012
Go
5
8
The Legend of Earth
2013
Go
6
Cain's Crusaders
2013
Go
7
The Apex Predator
2013
Go
8
A Galaxy to Conquer
2014
Go
9
The Masters of War
2014
Go
10
Prelude to War
2015
Go
11
The Unreachable Stars
2015
Go
12
When Earth Reigned Supreme
2016
Go
13
A Clash of Aliens
2016
Go
14
Battlelines
2016
Go
15
The Copernicus Deception
2016
Go
16
Scorched Earth
2016
Go
17
Alien Games
2016
Go
18
The Cain Legacy
2017
Go
19
The Andromeda Mission
2017
Go
20
Last Species Standing
2017
Go
21
Invasion Force
2017
Go
22
Force of Gravity
2017
Go
23
Mission Critical
2018
Go
24
The Lost Universe
2018
Go
25
The Immortal War
2018
Go
26
Destroyer of Worlds
2019
Go
27
Phantoms
2019
Go
28
Terminus Rising
2019
Go
29
The Last Aris
2019
Go

List of The Human Chronicles Legacy Books in Publication Order

ReadTitle Avg.YearBook Link
1
Raiders of the Shadow
2021
Go
2
War of Attrition
2021
Go
3
Secondary Protocol
2021
Go
4
Lifeforce: An Adam Cain Adventure
2022
Go
5
Battle Formation
2022
Go
6
Allied Command
2022
Go

List of The Adam Cain Chronicles Books in Publication Order

ReadTitle Avg.YearBook Link
1
The Dead Worlds
2019
Go
2
Empires
2020
Go
3
Battle Plan
2020
Go
4
Galactic Vortex
2020
Go
5
Dark Energy
2020
Go
6
Universal Law
2020
Go
7
The Formation Code
2020
Go
8
The Quantum Enigma
2020
Go
9
Children of the Aris
2020
Go

List of Drone Wars Books in Publication Order

ReadTitle Avg.YearBook Link
1
Day of the Drone
2015
Go

List of Human For Hire Books in Publication Order

ReadTitle Avg.YearBook Link
1
Human for Hire
2022
Go
2
Soldier of Fortune
2022
Go
3
Devil's Gate
2022
Go
4
Frontier Justice
2023
Go
5
Armies of the Sun
2023
Go
6
Sirius Cargo
2023
Go
7
Cellblock Orion
2023
Go
8
Starship Andromeda
2023
Go
9
Operation Antares
2024
Go
10
Stellar Whirlwind
2024
Go
11
I Am Entropy
2024
Go
12
Earth Blood
2024
Go
13
Capella Prime
2024
Go
14
Lethal Alien:
2025
Go
15
The Raptor
2025
Go

List of Jason King: Agent to the Stars Books in Publication Order

ReadTitle Avg.YearBook Link
1
The Enclaves of Sylox
2014
Go
2
Treasure of the Galactic Lights
2016
Go

List of The Last Cyborg Books in Publication Order

ReadTitle Avg.YearBook Link
1
The Last Cyborg
2025
Go
2
The Last Cyborg 2: Seek & Destroy
2025
Go
3
Codename: ATLAS
2025
Go
4
The Chameleon
2026
Go

List of Liberation Books in Publication Order (with George Wier)

ReadTitle Avg.YearBook Link
1
Captains Malicious (With: George Wier)
2015
Go

List of REV Warriors Books in Publication Order

ReadTitle Avg.YearBook Link
1
REV
2018
Go
2
REV: Renegades
2018
Go
3
REV: Rebirth
2018
Go
4
REV: Revolution
2018
Go
5
REV: Retribution
2019
Go
6
REV: Revelations
2020
Go
7
REV: Resolve
2020
Go
8
REV: Requiem
2021
Go
9
REV: Rebellion
2023
Go
10
REV: Resurrection
2024
Go

List of Standalone Novels in Publication Order

ReadTitle Avg.YearBook Link
1
No Bones in Ice Cream
2014
Go
2
The Methuselah Paradox
2023
Go
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T.R. Harris

T.R. Harris (Tom Harris)

T.R. Harris is the author of The Human Chronicles series which currently consists of 29 novels. The The Human Chronicles series started in 2011 with the novel The Fringe Worlds. The most recently released novel in The Human Chronicles series was The Last Aris which was released in 2019. There are no upcoming novels for The Human Chronicles series.

T.R. Harris has also written the Human For Hire series which has 15 books including Human for Hire and Soldier of Fortune.

Related Authors

Fans of T.R. Harris also enjoy these authors:

  1. M.R. Forbes, author of the Starship For Sale Series.
  2. Lindsay Buroker, author of the Death Before Dragons Series.
  3. Jay Allan, author of the Crimson Worlds Series.
  4. J.N. Chaney, author of the Backyard Starship Series.
  5. Rick Partlow, author of the Drop Trooper Series.

T.R. Harris: F.A.Q

What was the first book T.R. Harris wrote?

The first book written by T.R. Harris was The Fringe Worlds, published in 2011.

What was the most recent book T.R. Harris wrote?

His most recently released work was The Raptor on December 23rd, 2025.

What is the most popular book by T.R. Harris?

Based on the number of readers on Book Notification, the most popular T.R. Harris book is The Fringe Worlds. Here are his most popular books:
  1. The Fringe Worlds (8)
  2. Alien Assassin (7.33)
  3. The War of Pawns (7)
  4. The Tactics of Revenge (6)
  5. The Legend of Earth (8)

Are there upcoming new books by T.R. Harris?

T.R. Harris has a new book coming out on February 17th, 2026 called The Chameleon.

Click and we will keep you updated on this via e-mail, and about any new books T.R. Harris announces in the future.

How many books has T.R. Harris written?

T.R. Harris has written 79 books across 11 series.
  • 29 books in The Human Chronicles Series
  • 6 books in The Human Chronicles Legacy Series
  • 9 books in The Adam Cain Chronicles Series
  • 1 book in the Drone Wars Series
  • 15 books in the Human For Hire Series
  • 2 books in the Jason King: Agent to the Stars Series
  • 4 books in The Last Cyborg Series
  • 1 book in the Liberation Series
  • 10 books in the REV Warriors Series
  • 2 Standalone Novels

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