- In Her Shadow (2008)
- In His Eye (2010)
- In Every Heartbeat (2012)
- In Perfect Silence (2013)
- The Last Whisper (2014)
- The Glassblower's Children (2015)
Non-fiction:
- Michelangelo, A Life in Six Masterpieces 2019)
- Leonardo da Vinci (2022)