Hardcastle Books In OrderPublication Order of Hardcastle BooksLeave a Reply
| Hardcastle’s Spy | (2004) | Description / Buy at Amazon |
| Hardcastle’s Armistice | (2005) | Description / Buy at Amazon |
| Hardcastle’s Conspiracy | (2005) | Description / Buy at Amazon |
| Hardcastle’s Airmen | (2006) | Description / Buy at Amazon |
| Hardcastle’s Actress | (2007) | Description / Buy at Amazon |
| Hardcastle’s Burglar | (2008) | Description / Buy at Amazon |
| Hardcastle’s Mandarin | (2009) | Description / Buy at Amazon |
| Hardcastle’s Soldiers | (2010) | Description / Buy at Amazon |
| Hardcastle’s Obsession | (2011) | Description / Buy at Amazon |
| Hardcastle’s Frustration | (2012) | Description / Buy at Amazon |
| Hardcastle’s Traitors | (2013) | Description / Buy at Amazon |
| Hardcastle’s Quartet | (2014) | Description / Buy at Amazon |
| Hardcastle’s Collector | (2016) | Description / Buy at Amazon |
| Hardcastle’s Runaway | (2017) | Description / Buy at Amazon |
| Hardcastle’s Quandary | (2019) | Description / Buy at Amazon |
| Hardcastle’s Secret Agent | (2021) | Description / Buy at Amazon |