Once Is Not Enough offered a multiple-choice "audience participation" review, in which the reader was given four choices (ludicrous, bad, terrible, horrendous) by which to evaluate the movie. Despite the reviews, the film was a commercial success, earning $15.7 million at the box office (equivalent to $65.2 million in 2017). Brenda Vaccaro, as Linda Riggs, received an Oscar nomination for her performance. Once Is Not Enough Once Is Not Enough is the third novel by Jacqueline Susann, following her huge best sellers "Valley of the Dolls" (1966) and "The Love Machine" (1969). With "Once Is Not Enough," Susann became the first writer in publishing
Jacqueline Susann novel, "The Love Machine", is the story of Robin Stone, a ruthless but tormented executive in the cut-throat world of 1960s network television, and three women who love him: Amanda, the doomed fashion model; Maggie, the independent television personality turned movie actress; and Judith, the insecure wife of the network founder. Like "Valley", the book was considered a "roman a clef", with Robin reportedly based on former CBS president James Aubrey. Published by Simon & Schuster on May 14, 1969, the book was an immediate success: it spent 32 weeks (13 weeks at #1) on the "New York Times" best