Irving Mansfield Mansfield gave up his career to help his wife promote her book, "Valley of the Dolls", which was published in 1966 and became the best-selling novel of the year. Mansfield continued to work with his wife in promoting her subsequent novels, "The Love Machine" (1969) and "Once Is Not Enough" (1973), both among the top three sellers of their respective years. Mansfield also executive-produced movie versions of his wife's novels "The Love Machine" (1971) and "Jacqueline Susann's Once Is Not Enough" (1975), as well as a 1981 television mini-series version of "Valley". Mansfield met Jacqueline Susann, then an aspiring stage
Jacqueline Susann's Once Is Not Enough (film) Jacqueline Susann's Once Is Not Enough (film) Jacqueline Susann's Once Is Not Enough is a 1975 American drama film directed by Guy Green and starring Kirk Douglas, Alexis Smith, David Janssen, George Hamilton, Brenda Vaccaro, Melina Mercouri, and Deborah Raffin. It was produced by Howard W. Koch and written by Julius J. Epstein, based on the 1973 novel "Once Is Not Enough" by Jacqueline Susann. It featured Alexis Smith's return to the big screen after an absence of 16 years, and Brenda Vaccaro was nominated for the Academy Award for Best Supporting Actress and won the Golden Globe Award for