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 credited with creating the modern-day book tour. Michael Korda, editor of Susann's "Love Machine" said in 1995 that, prior to Susann, "people weren't so much interested in selling books as they were in publishing them." To what had once been considered a "gentleman's profession," she brought a show business sensibility. She toured extensively in support of each book, making appearances at bookstores and on countless television and radio shows. Her books were advertised on the entertainment pages of major newspapers, and Mansfield tested her book covers to see how they appeared on television. She even served coffee and doughnuts to