After leaving Atlanta in disgrace three years before, detective Thomas Canby is called back to the city on the eve of Atlanta's 1881 International Cotton Exposition to partner with Atlanta's first African American police officer, Cyrus Underwood. The case they're assigned is chilling: a serial murderer who seems to be targeting Atlanta's wealthiest black entrepreneurs ... With scrupulous attention to historical detail, Edgar Award finalist Matthew Guinn tells a tense and atmospheric story.