Portnoy's Complaint is a 1969 American novel by Philip Roth. Its success turned Roth into a major celebrity, sparking a storm of controversy over its explicit and candid treatment of sexuality, including detailed depictions of masturbation using various props including a piece of liver. Wikipedia
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Fear of Flying is a 1973 novel by Erica Jong which became controversial for its portrayal of female sexuality and figured in the development of second-wave feminism. Wikipedia