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Home / Authors / T.R. Harris T.R. Harris T.R. Harris is an American author best known for the *Humanity’s Edge* and *The Adam Cain* space opera series. His books have sold over one million copies, establishing him as a leading voice in military sci-fi. This page lists the T.R. Harris books in order, including both chronological and series reading order.
All books · chronological
2011 The Fringe Worlds POoTHCB · 1 Buy ↗ 2012 Alien Assassin POoTHCB · 2 Buy ↗ 2012 The War of Pawns POoTHCB · 3 Buy ↗ 2012 The Tactics of Revenge POoTHCB · 4 Buy ↗ 2013 The Legend of Earth POoTHCB · 5 Buy ↗ 2013 Cain's Crusaders POoTHCB · 6 Buy ↗ 2013 The Apex Predator POoTHCB · 7 Buy ↗ 2014 The Enclaves of Sylox POoJKAttSB · 1 Buy ↗ 2014 No Bones in Ice Cream POoSN · 1 Buy ↗ 2014 A Galaxy to Conquer POoTHCB · 8 Buy ↗ 2014 The Masters of War POoTHCB · 9 Buy ↗ 2015 Day of the Drone POoDWB · 1 Buy ↗ 2015 Captains Malicious(With: George Wier) POoLB · 1 Buy ↗ 2015 Prelude to War POoTHCB · 10 Buy ↗ 2015 The Unreachable Stars POoTHCB · 11 Buy ↗ 2016 Treasure of the Galactic Lights POoJKAttSB · 2 Buy ↗ 2016 When Earth Reigned Supreme POoTHCB · 12 Buy ↗ 2016 A Clash of Aliens POoTHCB · 13 Buy ↗ 2016 Battlelines POoTHCB · 14 Buy ↗ 2016 The Copernicus Deception POoTHCB · 15 Buy ↗ 2016 Scorched Earth POoTHCB · 16 Buy ↗ 2016 Alien Games POoTHCB · 17 Buy ↗ 2017 The Cain Legacy POoTHCB · 18 Buy ↗ 2017 The Andromeda Mission POoTHCB · 19 Buy ↗ 2017 Last Species Standing POoTHCB · 20 Buy ↗ 2017 Invasion Force POoTHCB · 21 Buy ↗ 2017 Force of Gravity POoTHCB · 22 Buy ↗ 2018 REV: Renegades POoRWB · 2 Buy ↗ 2018 REV: Rebirth POoRWB · 3 Buy ↗ 2018 REV: Revolution POoRWB · 4 Buy ↗ 2018 Mission Critical POoTHCB · 23 Buy ↗ 2018 The Lost Universe POoTHCB · 24 Buy ↗ 2018 The Immortal War POoTHCB · 25 Buy ↗ 2019 The Dead Worlds POoTACCB · 1 Buy ↗ 2019 REV: Retribution POoRWB · 5 Buy ↗ 2019 Destroyer of Worlds POoTHCB · 26 Buy ↗ 2019 Phantoms POoTHCB · 27 Buy ↗ 2019 Terminus Rising POoTHCB · 28 Buy ↗ 2019 The Last Aris POoTHCB · 29 Buy ↗ 2020 Empires POoTACCB · 2 Buy ↗ 2020 Battle Plan POoTACCB · 3 Buy ↗ 2020 Galactic Vortex POoTACCB · 4 Buy ↗ 2020 Dark Energy POoTACCB · 5 Buy ↗ 2020 Universal Law POoTACCB · 6 Buy ↗ 2020 REV: Revelations POoRWB · 6 Buy ↗ 2020 REV: Resolve POoRWB · 7 Buy ↗ 2020 The Formation Code POoTACCB · 7 Buy ↗ 2020 The Quantum Enigma POoTACCB · 8 Buy ↗ 2020 Children of the Aris POoTACCB · 9 Buy ↗ 2021 Raiders of the Shadow POoTHCLB · 1 Buy ↗ 2021 War of Attrition POoTHCLB · 2 Buy ↗ 2021 Secondary Protocol POoTHCLB · 3 Buy ↗ 2021 REV: Requiem POoRWB · 8 Buy ↗ 2022 Human for Hire POoHFHB · 1 Buy ↗ 2022 Soldier of Fortune POoHFHB · 2 Buy ↗ 2022 Devil's Gate POoHFHB · 3 Buy ↗ 2022 Lifeforce: An Adam Cain Adventure POoTHCLB · 4 Buy ↗ 2022 Battle Formation POoTHCLB · 5 Buy ↗ 2022 Allied Command POoTHCLB · 6 Buy ↗ 2023 The Methuselah Paradox POoSN · 2 Buy ↗ 2023 Frontier Justice POoHFHB · 4 Buy ↗ 2023 Armies of the Sun POoHFHB · 5 Buy ↗ 2023 Sirius Cargo POoHFHB · 6 Buy ↗ 2023 Cellblock Orion POoHFHB · 7 Buy ↗ 2023 Starship Andromeda POoHFHB · 8 Buy ↗ 2023 REV: Rebellion POoRWB · 9 Buy ↗ 2024 Operation Antares POoHFHB · 9 Buy ↗ 2024 REV: Resurrection POoRWB · 10 Buy ↗ 2024 Stellar Whirlwind POoHFHB · 10 Buy ↗ 2024 I Am Entropy POoHFHB · 11 Buy ↗ 2024 Earth Blood POoHFHB · 12 Buy ↗ 2024 Capella Prime POoHFHB · 13 Buy ↗ 2025 The Last Cyborg POoTLCB · 1 Buy ↗ 2025 Seek & Destroy POoTLCB · 2 Buy ↗ 2025 Codename: ATLAS POoTLCB · 3 Buy ↗ 2025 Lethal Alien: POoHFHB · 14 Buy ↗ 2025 The Raptor POoHFHB · 15 Buy ↗ 2026 Captain Shadow POoTWSWB · 1 Buy ↗ 2026 Against the Wind POoTWSWB · 2 Buy ↗ 2026 Winds of Freedom POoTWSWB · 3 Buy ↗ 2026 The Chameleon POoTLCB · 4 Buy ↗ 2026 Translation Layer POoTLCB · 5 Buy ↗ Book series · browse all →
Publication Order of Standalone Novels 2 books · 2014–2023
01 No Bones in Ice Cream 2014 Buy ↗ 02 The Methuselah Paradox 2023 Buy ↗ Publication Order of The Adam Cain Chronicles Books 9 books · 2019–2020
01 The Dead Worlds 2019 Buy ↗ 04 Galactic Vortex 2020 Buy ↗ 07 The Formation Code 2020 Buy ↗ 08 The Quantum Enigma 2020 Buy ↗ 09 Children of the Aris 2020 Buy ↗ Publication Order of Jason King: Agent to the Stars Books 2 books · 2014–2016
01 The Enclaves of Sylox 2014 Buy ↗ 02 Treasure of the Galactic Lights 2016 Buy ↗ Publication Order of Drone Wars Books 1 book · 2015
01 Day of the Drone 2015 Buy ↗ Publication Order of The Warship: Star Wind Books 3 books · 2026–2026
01 Captain Shadow 2026 Buy ↗ 02 Against the Wind 2026 Buy ↗ 03 Winds of Freedom 2026 Buy ↗ Publication Order of The Human Chronicles Books 29 books · 2011–2019
01 The Fringe Worlds 2011 Buy ↗ 02 Alien Assassin 2012 Buy ↗ 03 The War of Pawns 2012 Buy ↗ 04 The Tactics of Revenge 2012 Buy ↗ 05 The Legend of Earth 2013 Buy ↗ 06 Cain's Crusaders 2013 Buy ↗ 07 The Apex Predator 2013 Buy ↗ 08 A Galaxy to Conquer 2014 Buy ↗ 09 The Masters of War 2014 Buy ↗ 10 Prelude to War 2015 Buy ↗ 11 The Unreachable Stars 2015 Buy ↗ 12 When Earth Reigned Supreme 2016 Buy ↗ 13 A Clash of Aliens 2016 Buy ↗ 15 The Copernicus Deception 2016 Buy ↗ 16 Scorched Earth 2016 Buy ↗ 18 The Cain Legacy 2017 Buy ↗ 19 The Andromeda Mission 2017 Buy ↗ 20 Last Species Standing 2017 Buy ↗ 21 Invasion Force 2017 Buy ↗ 22 Force of Gravity 2017 Buy ↗ 23 Mission Critical 2018 Buy ↗ 24 The Lost Universe 2018 Buy ↗ 25 The Immortal War 2018 Buy ↗ 26 Destroyer of Worlds 2019 Buy ↗ 28 Terminus Rising 2019 Buy ↗ Publication Order of REV Warriors Books 10 books · 2018–2024
02 REV: Renegades 2018 Buy ↗ 04 REV: Revolution 2018 Buy ↗ 05 REV: Retribution 2019 Buy ↗ 06 REV: Revelations 2020 Buy ↗ 09 REV: Rebellion 2023 Buy ↗ 10 REV: Resurrection 2024 Buy ↗ Publication Order of The Last Cyborg Books 5 books · 2025–2026
01 The Last Cyborg 2025 Buy ↗ 02 Seek & Destroy 2025 Buy ↗ 03 Codename: ATLAS 2025 Buy ↗ 05 Translation Layer 2026 Buy ↗ Publication Order of Human For Hire Books 15 books · 2022–2025
01 Human for Hire 2022 Buy ↗ 02 Soldier of Fortune 2022 Buy ↗ 04 Frontier Justice 2023 Buy ↗ 05 Armies of the Sun 2023 Buy ↗ 07 Cellblock Orion 2023 Buy ↗ 08 Starship Andromeda 2023 Buy ↗ 09 Operation Antares 2024 Buy ↗ 10 Stellar Whirlwind 2024 Buy ↗ Publication Order of Liberation Books 1 book · 2015
01 Captains Malicious(With: George Wier) 2015 Buy ↗ Publication Order of The Human Chronicles Legacy Books 6 books · 2021–2022
01 Raiders of the Shadow 2021 Buy ↗ 02 War of Attrition 2021 Buy ↗ 03 Secondary Protocol 2021 Buy ↗ 04 Lifeforce: An Adam Cain Adventure 2022 Buy ↗ 05 Battle Formation 2022 Buy ↗ 06 Allied Command 2022 Buy ↗