* The Shadow Queen (2003)
* The Crystal Rose (2004)
* The Midnight Mirror (2005)
* The Secret Garden (2006)
* The Golden Key (2007)
* The Silver Wand (2008)
* The Iron Glove (2009)
* The Ruby Ring (2010)
* The Emerald Crown (2011)
* The Diamond Sceptre (2012)
Non-Fiction
* The History of the British Monarchy (2002)
* The History of the Tower of London (2004)
* The History of the British Empire (2006)
* The History of World War I (2008)
* The History of World War II (2010)