Eleanor Roosevelt
1. Murder and the First Lady (1984)
2. The Hyde Park Murder (1985)
3. Murder at Hobcaw Barony (1986)
4. The White House Pantry Murder (1987)
5. Murder at the Palace (1988)
6. Murder in the Oval Office (1989)
7. Murder in the Rose Garden (1989)
8. Murder in the Blue Room (1990)
9. A First Class Murder (1991)
10. Murder in the Red Room (1991)
11. Murder in the West Wing (1992)
12. Murder in the East Room (1993)
13. A Royal Murder (1994)
14. Murder in the Executive Mansion (1995)
15. Murder in the Chateau (1996)
16. Murder at Midnight (1997)
17. Murder in the Map Room (1998)
18. Murder in Georgetown (1999)
19. Murder in the Lincoln Bedroom (2000)
20. Murder at the President's Door (2001) (with William Harrington)

Blackjack Endicott
1. The President's Man (1991)
2. New Deal for Death (1993)

Roosevelts of Hyde Park: An Untold Story (1973) (with James Brough)
As He Saw It (1974)
Roosevelts of the White House: A Rendezvous with Destiny (1975) (with James Brough)
Mother R: Eleanor Roosevelt's Untold Story (1977) (with James Brough)
The Conservators (1983)
F. D. R.: His Personal Letters (1984)
Eleanor Roosevelt, With Love: A Centenary Remembrance (1984)