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Home / Authors / Douglas Jackson Douglas Jackson British author Douglas Jackson is best known for his historical fiction series featuring Roman soldier Gaius Valerius Verrens. His books have sold over one million copies and earned critical acclaim for their vivid authenticity. This page provides the Douglas Jackson books in order, including both chronological and series reading order.
All books · chronological
2008 Caligula POoRB · 1 Buy ↗ 2009 Claudius POoRB · 2 Buy ↗ 2010 Hero of Rome POoGVVB · 1 Buy ↗ 2011 The Doomsday Testament(As:James Douglas) POoJSB · 1 Buy ↗ 2011 Defender of Rome POoGVVB · 2 Buy ↗ 2012 The Isis Covenant(As:James Douglas) POoJSB · 2 Buy ↗ 2012 Avenger of Rome POoGVVB · 3 Buy ↗ 2013 The Excalibur Codex(As:James Douglas) POoJSB · 3 Buy ↗ 2013 Sword of Rome POoGVVB · 4 Buy ↗ 2014 War Games POoGSMB · 1 Buy ↗ 2014 The Samurai Inheritance(As:James Douglas) POoJSB · 4 Buy ↗ 2014 Enemy of Rome POoGVVB · 5 Buy ↗ 2015 Scourge of Rome POoGVVB · 6 Buy ↗ 2017 Saviour of Rome POoGVVB · 7 Buy ↗ 2017 Glory of Rome POoGVVB · 8 Buy ↗ 2018 Pliny's Last Day POoSS · 1 Buy ↗ 2018 Hammer of Rome POoGVVB · 9 Buy ↗ 2019 Blood Roses POoTWQB · 1 Buy ↗ 2019 Brothers in Arms POoGSMB · 2 Buy ↗ 2022 The Wall POoMFVB · 1 Buy ↗ 2023 The Barbarian POoMFVB · 2 Buy ↗ 2024 Blood Sacrifice POoTWQB · 2 Buy ↗ 2025 Blood Vengeance POoTWQB · 3 Buy ↗ 2026 Blood Enemy POoTWQB · 4 Buy ↗ Book series · browse all →
Publication Order of The Warsaw Quartet Books 4 books · 2019–2026
02 Blood Sacrifice 2024 Buy ↗ 03 Blood Vengeance 2025 Buy ↗ Publication Order of Rufus Books 2 books · 2008–2009
Publication Order of Short Stories/Novellas 1 book · 2018
01 Pliny's Last Day 2018 Buy ↗ Publication Order of Jamie Saintclaire Books 4 books · 2011–2014
01 The Doomsday Testament(As:James Douglas) 2011 Buy ↗ 02 The Isis Covenant(As:James Douglas) 2012 Buy ↗ 03 The Excalibur Codex(As:James Douglas) 2013 Buy ↗ 04 The Samurai Inheritance(As:James Douglas) 2014 Buy ↗ Publication Order of Marcus Flavius Victor Books 2 books · 2022–2023
Publication Order of Glen Savage Mystery Books 2 books · 2014–2019
02 Brothers in Arms 2019 Buy ↗ Publication Order of Gaius Valerius Verrens Books 9 books · 2010–2018
02 Defender of Rome 2011 Buy ↗ 03 Avenger of Rome 2012 Buy ↗ 06 Scourge of Rome 2015 Buy ↗ 07 Saviour of Rome 2017 Buy ↗ 09 Hammer of Rome 2018 Buy ↗