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
Dolores (Susann novel) to devote her time to research as she was seriously ill with cancer. The "Journal" had offered Susann $20,000 for 20,000 words, but the manuscript she turned in was nearly 38,000 words. It was cut by "Journal" editors, but the excisions were restored when the story was published in book form. Certain details were changed in the book (for example, in the original story, Dolores's husband, Jimmy Ryan, is felled by a heart attack, not by an assassin's bullet). Rumors that film critic (and friend of Susann) Rex Reed rewrote the work are unsubstantiated. The book is dedicated to the