Sex Fever by Jack Kahler

'Simon Gilmore is sexless and married to a hermaphrodite named Louise. Together they plunge Into a whirl of orgies and personal sex acts - designed to satiate their fleshless desires. Then John Gilmore arrives, determined to drag his brother from the sex-trap . Out of frustration comes clarity. One by one the victims of Sex Fever are faced with the truth. Each facing the powerful John, who had but one weapon - his unfailing maleness!'