In addition to her work in Hollywood, Petranovich is also a published author. Her novel, The Woman in the Window, was published in 1972. She also wrote a memoir, Hollywood, Here I Am..., published in 2001.
Here is a more comprehensive list of Helen Hathaway Petranovich's writing credits:
Film
* The Prince Who Was a Thief (1951)
* The Star (1952)
* Gentlemen Prefer Blondes (1953)
* How to Marry a Millionaire (1953)
* There's No Business Like Show Business (1954)
* The Seven Year Itch (1955)
* The Prince and the Showgirl (1957)
* Funny Face (1957)
* The Apartment (1960)
* Breakfast at Tiffany's (1961)
* Charade (1963)
* The Odd Couple (1968)
* The Producers (1968)
* The Love God? (1969)
* Where Angels Go, Trouble Follows (1968)
* The Maltese Bippy (1969)
* Cactus Flower (1969)
* The Gingerbread Lady (1971)
* Such Good Friends (1971)
* Pete'n'Tillie (1972)
* Mame (1974)
* The Front Page (1974)
* The Four Seasons (1981)
* Harry and Son (1984)
* Brighton Beach Memoirs (1986)
* Biloxi Blues (1988)
Television
* Perry Mason (1957–1966)
* The Alfred Hitchcock Hour (1962–1965)
* The Farmer's Daughter (1963–1966)
* The Courtship of Eddie's Father (1969–1972)
* Love, American Style (1969–1974)
* The Partridge Family (1970–1974)
* The Brady Bunch (1969–1974)
* The Mary Tyler Moore Show (1970–1977)
* Rhoda (1974–1978)
* Soap (1977–1981)
* Benson (1979–1986)
* The Golden Girls (1985–1992)
* Empty Nest (1988–1995)
* Nurses (1991–1994)
* Grace Under Fire (1993–1998)
* Just Shoot Me! (1997–2003)
* Will & Grace (1998–2006)
* The New Adventures of Old Christine (2006–2010)
* Hot in Cleveland (2010–2015)
Novels
* The Woman in the Window (1972)
Memoir
* Hollywood, Here I Am... (2001)