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
Valley of the Dolls publication of her third novel, Susann said, "They can keep calling it that ["roman à clef"]. It'll only make my books sell. I don't care." Susann insisted that she began each book with a theme: "Then I start asking, what kind of a personality? And because I have a good ear, I unconsciously pick up certain people." Susann dedicated the book to her poodle Josephine, and to her husband Irving Mansfield. The book was published by Bernard Geis Associates on February 10, 1966, and "took off like a Cape Canaveral space shot." Although "Publishers Weekly", in an advance review, called