Lady Sally's Series by Spider Robinson

A HOUSE OF "HEALTHY" REPUTE...Welcome to Lady Sally's, the House that "is" a home -- the internationally (hell, interplanetarily) notorious bordello. At Lady Sally's House, the customer doesn't necessarily come first: even the staff are genuinely enjoying themselves... moreA HOUSE OF "HEALTHY" REPUTE...Welcome to Lady Sally's, the House that "is" a home -- the internationally (hell, interplanetarily) notorious bordello. At Lady Sally's House, the customer doesn't necessarily come first: even the staff are genuinely enjoying themselves.Wife of time traveling bartender Mike Callahan, and employer of some of the most unusual and talented performing artists ever to work in the field of hedonic interface, Her Ladyship has designed her House to be an "equal opportunity enjoyer," discreetly, tastefully and joyfully catering to all erotic tastes and fantasies, however unusual. Like her famous husband, Lady Sally doesn't even insist that her customers be "human."..as long as they have good manners.Small wonder, then, that she and her staff encounter beings as unique and memorable as the superhuman Colt, whose banner never, ever flags...Diana, the deadly dominatrix who "cannot" be disobeyed...Tony Donuts, the moronic man-monster even the Mafia doesn't want to mess with...or Charles, the werewolf with a distinct difference... less

Despite his employer's doubts that he is an authentic detective, Quigley is called in to investigate Lady Sally's establishment, a reputable place that caters to adults of all species and tastes. Lady Sally was the wife of the proprietor of Callahan's Place, the bar where human and other beings from all space and time come to cajole, drink, and occasionally save the world... moreDespite his employer's doubts that he is an authentic detective, Quigley is called in to investigate Lady Sally's establishment, a reputable place that caters to adults of all species and tastes. Lady Sally was the wife of the proprietor of Callahan's Place, the bar where human and other beings from all space and time come to cajole, drink, and occasionally save the world. The clientele and staff at Lady Sally's may have the same mission at hand, but now Quigley plays a significant part as the fate of the world hangs in the balance.... less