* _Ace High_ (1988)
* _The Spy's Wife_ (1989)
* _The Sunday Wife_ (1990)
* _The Millionaire's Wife_ (1991)
* _The Senator's Wife_ (1992)
* _The President's Wife_ (1993)
* _The First Lady's Daughter_ (1994)
* _The Ambassador's Wife_ (1995)
* _The General's Wife_ (1996)
* _The Admiral's Wife_ (1997)
Non-fiction
* _Jackie: The Biography of Jacqueline Kennedy Onassis_ (1997)
* _First Ladies: The Saga of the White House_ (1999)
* _The Kennedy Clan: The Rise and Fall of an American Dynasty_ (2001)
* _America's First Families: An Intimate History of the Ruling Class_ (2003)
* _The Secret Lives of the First Ladies: What Really Goes on in the White House_ (2005)
* _The Kennedy Brothers: From JFK to RFK_ (2007)
* _The American Aristocracy_ (2009)
* _The Rothschilds: A Family Fortune_ (2012)
* _Lady Gaga: A Biography_ (2013)