"The fourth installment in the beloved Detective Annalisa Vega series. Is there such a thing as a good sociopath? Newly minted private investigator Annalisa Vega is skeptical, but her first client, Mara Delaney, insists that some sociopaths are beneficialto society. Mara has even written a book titled The Good Sociopath centered around Chicago neurosurgeon Craig Canning. Dr. Canning has saved hundreds of lives so it shouldn't matter that he doesn't...