1. Heat Wave (2009)
2. Naked Heat: Nikki Heat Book 2 (2011)
3. Heat Rises: Nikki Heat Book 3 (2011)
4. Frozen Heat: Nikki Heat Book 4 (2012)
5. Deadly Heat: Nikki Heat Book 5 (2013)
6. Raging Heat: Nikki Heat Book 6 (2014)
7. Driving Heat: Nikki Heat Book 7 (2015)
8. High Heat (2016)
9. Heat Storm (2017)
10. Crashing Heat (2019)