The Children are Watching (w. Peter L. Dixon) (Ballantine, 1970) (filmed as , 1978)

Attention, The Kids Are Watching

(Coward-McCann & Geoghegan, Inc., 1974) (filmed 1976)

The Little Girl Who Lives Down the Lane

Islands (Dell, 1980)

The Neighbor (Avon, 1978) (filmed as , 1982)

Killing 'em Softly

The Disciple (Bantam, 1983)

Rockabye (St. Martin's Press, 1981) (filmed 1986)

The Sea Wife (Warner Books, 1986)

Rising Sun (1986)

Morning Sun : The Story of Madam Butterfly's Boy (Prospecta Press, 2012)

The Dozens. Dramatist's Play Service, New York 1969

The Little Girl Who Lives Down the Lane. Dramatist's Play Service, New York 1997,  0-8222-1571-3

ISBN

(w. William Redlin), 1966

The Cat

(TV series), episodes, 1966–1967

Flipper

(TV series), episodes, 1970

The High Chaparral

[w. Dene Bart Petitclerc, William Roberts, Lawrence Roman], 1971

Red Sun

, 1976 (from own novel)

The Little Girl Who Lives Down the Lane

, 1979 (from Sidney Sheldon novel)

Bloodline

(w. Robin Moore), 1981 (from story by Moore and Paul Savage)

Inchon

Rockabye, 1986 (from own novel)

Stillwatch (w. David E. Peckinpah), 1987 (from novel)

Mary Higgins Clark

The Fulfilment of Mary Gray, 1989 (from novel)

LaVyrle Spencer

, 1989 (from Hans Werner Kettenbach novel)

Tennessee Nights

Lady Against the Odds [w. Bruce Murkoff], 1992 [from novel, The Hand in the Glove]

Rex Stout

(Unknown) for "Intrigues" (French TV series), 1985 (probably The Little Girl Who Lives Down the Lane)

at IMDb

Laird Koenig