Disclaimer: Book links take you to Amazon. As an Amazon Associate We earn money from qualifying purchases.
Publication Order of Hardcastle Books
Hardcastle’s Spy | (2004) | Hardcover  Paperback  Kindle |
Hardcastle’s Armistice | (2005) | Hardcover  Paperback  Kindle |
Hardcastle’s Conspiracy | (2005) | Hardcover  Paperback  Kindle |
Hardcastle’s Airmen | (2006) | Hardcover  Paperback  Kindle |
Hardcastle’s Actress | (2007) | Hardcover  Paperback  Kindle |
Hardcastle’s Burglar | (2008) | Hardcover  Paperback  Kindle |
Hardcastle’s Mandarin | (2009) | Hardcover  Paperback  Kindle |
Hardcastle’s Soldiers | (2010) | Hardcover  Paperback  Kindle |
Hardcastle’s Obsession | (2011) | Hardcover  Paperback  Kindle |
Hardcastle’s Frustration | (2012) | Hardcover  Paperback  Kindle |
Hardcastle’s Traitors | (2013) | Hardcover  Paperback  Kindle |
Hardcastle’s Quartet | (2014) | Hardcover  Paperback  Kindle |
Hardcastle’s Collector | (2016) | Hardcover  Paperback  Kindle |
Hardcastle’s Runaway | (2017) | Hardcover  Paperback  Kindle |
Hardcastle’s Quandary | (2019) | Hardcover  Paperback  Kindle |
Hardcastle’s Secret Agent | (2021) | Hardcover  Paperback  Kindle |