* _At First Sight_ (1993)
* _Jane and Prudence_ (1995)
* _Her Majesty's Pleasure_ (1997)
* _The Bloody Crown_ (1998)
* _Rebel Prince_ (2000)
* _Crown in Candlelight_ (2001)
* _My Lady, My Love_ (2008)
Non-fiction
* _The Prince Charles Reader: Extracts from Charles, Prince of Wales's Published Work and Speeches_ (with Michael Trend; 1985)
* _Queen of Heaven? Marian Devotion in History's Mirror_ (2023)