San Diego: Corinth Pub. 1966. Paperback. 190p., mild foxing and wear, faintly musty, good first edition PBO in camp pictorial wraps. Lesbian historical pulp fiction. Evening Reader ER 1246.
Includes a bibliography of Sapphic books. J. X. Williams was the pseudonym of several authors including Ed Wood, Jr. and Vic Banis. Greenleaf Classics site has this as by Smith best known as a science fiction writer who wrote dozens of SF novels under his own name but also wrot many soft-porn novels under various pseudonyms.