The World Is Full of Married Men time, Jacqueline Susann's similarly themed novel "Valley of the Dolls" (1966) had already become a huge bestseller and a hit film, and Collins' novel was accepted. Within a week of its publication, "The World Is Full of Married Men" made the best-seller list. The book was a hit in both the United Kingdom and the U.S., but was banned in Australia. Collins' publishers at the time, W.H. Allen, told her that unless she took the "four-letter words" out, the book would be banned in Australia. Collins proceeded in taking the four-letter words out and it was still banned in Australia.
Once Is Not Enough frontal nudity, in a complex story which reflects the social upheavals of the late 1960s and early 1970s. Jacqueline Susann initially called the novel "The Big Man", but changed her mind after visiting comedian Joe E. Lewis on his deathbed. Lewis, who had famously said, "You only live once - but if you work it right, once is enough," apparently reconsidered, for he told Susann, "Once is "not" enough." Susann was diagnosed with cancer two months before the book's scheduled publication date. Her usual efforts at promotion—including a grueling book tour—had to be curtailed. But Susann soldiered on; as her