Sleep With Strangers and Sleep With Slander by Dolores Hitchens

Sleep With Strangers introduces Jim Sader, a hardboiled or at least medium boiled Long Beach Private Investigator hired by Kay Wanderly to find her mother Felicia, who disappeared three nights before. Like many young women who hire private investigators, Kay is evasive in her answers and flighty and panicked in her attitude.

At the same time and completely coincidentally and unrelatedly,