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
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