- Σειρά "The Fall of Rome":
- "Centurion" (2010)
- "Praetorian" (2011)
- "Legionary" (2012)
- "Equites" (2013)
- "The Eagle in the Sand" (2014)
- "Blood Eagle" (2015)
- "The Last Legionary" (2016)
- Σειρά "The Siege of Paris":
- "City of Lies" (2018)
- "The Walls of Rome" (2019)
- "Blood River" (2020)
- "Sword of Vengeance" (2021)
- Σειρά "The Crusader":
- "Deus Vult" (2012)
- "Lux Invicta" (2014)
- "Terra Santa" (2016)
- "Saladin's Vengeance" (2018)
- Σειρά "The Viking Warrior":
- "Shield Wall" (2016)
- "God of War" (2017)
- "Warlord" (2018)
- "Blood-Feud" (2019)
- Σειρά "The Saxon Chronicles" (συν-γραμμένο με τον Bernard Cornwell):
- "Sword Song" (2019)
- "War Lord" (2020)
- "Enemy of God" (2021)
Μη μυθοπλασία:
- "Ancient Rome:A Brief History" (2021)
- "Viking Wars:A Concise History" (2022)