Raised in Manhattan by her overprotective sex-therapist mother (who wore nine inches of shoulder pads"), Wendy Spero has always sought excitement in microthrills, the small, strange highs that give her life meaning?from finding a strip tease video of her grandmother to selling knives door-to-door. As a little girl, Spero passed the time sniffing fruit-scented markers and breaking up arguments between her imaginary friends. As an adult, in her first...