Adult books
- Of 'Sluts' and 'Bastards': A Feminist Decodes the Child Welfare Debate (Common Courage Press, 1996)
- Rocking the Cradle of Sexual Politics, What Happened When Women Said Incest (Addison-Wesley, 1994; The Women's Press, 1996)
- And They Call It Help, The Psychiatric Policing of America's Children (Addison-Wesley, 1993)
- Solomon Says, A Speakout on Foster Care (Pocket Books, 1989)
- Kiss Daddy Goodnight: Ten Years Later (Pocket Books, 1987)
- The Home Front, Notes from the Family War Zone (McGraw-Hill, 1983)
- Kiss Daddy Goodnight, A Speakout on Incest (Pocket Books, 1978).
- A Child's Guide to Freud, Illustrated, Whitney Darrow, Jr. (Simon & Schuster, 1963).
Children's books
- How to Turn Lemons Into Money, A Child's Guide to Economics (Harcourt Brace Jovanovich, 1975).
- How to Turn Up into Down, A Child's Guide to Inflation, Depression, and Economic Recovery (HBJ, 1978).
- How to Turn War into Peace, A Child's Guide to Conflict Resolution (HBJ, 1979).
- Arthur Gets What He Spills (HBJ, 1979)
- SAVING THE BIG-DEAL BABY (E.P. Dutton, 1980)
Collected works
Contributed chapters in the following numerous collected works, both academic and trade.
- Sexual Liberals and the Attack on Feminism (eds: Dorchen Leidholdt and Janice G. Raymond; Pergamon Press, 1990);
- Radically Speaking, Feminism Reclaimed (eds: Diane Bell and Renate Klein; Zed Books, 1996);
- Feminist Foremothers in Women’s Studies, Psychology, Mental Health (eds: Phyllis Chesler, Esther D. Rothblum, Ellen Cole; Haworth Press, 1995); and
- Home Truths About Child Sexual Abuse: Influencing Policy and Practice (ed: Catherine Itzin; London: Routledge, 2000).
Armstrong also wrote for the following magazines: Woman's Day, Hartford Courant Magazine, Connecticut Magazine, On the Issues, etc.