| Series | | Books |
| |
| Spy Girl (2005) | | (2005) |
| | | (2006) |
| | | (2007) |
| | | (2008) |
| | | (2021) |
| |
| Other | | Ring of Silver, Lord of Time (1992) |
| | | Guardian Angel (1993) |
| | | Three's a Crowd (1994) |
| | | There's More to Life Than Pizza (1995) |
| | | Check It Out! with Mark (1996) |
| | | Red Velvet (2001) |
| | | Jigsaw (2001) |
| | | Bright Angel (2002) |
| | | Diamonds & Dust [Victorian Detectives] (2013) |
| | | Honour & Obey [Victorian Detectives] (2014) |
| | | Death & Dominion [Victorian Detectives] (2015) |
| | | Murder & Mayhem aka Rack & Ruin [Victorian Detectives] (2016) |
| | | Wonders & Wickedness [Victorian Detectives] (2017) |
| | | Fear & Phantoms [Victorian Detectives] (2018) |
| | | Intrigue & Infamy [Victorian Detectives] (2019) |
| | | Fame & Fortune [Victorian Detectives] (2020) |
| | | Desire & Deceit [Victorian Detectives] (2021) |
| | | Murder & Mischief [Victorian Detectives] (2022) |
| |