Letty Valdez is a Chicana-Native American (Tohono O'odham) private investigator and Iraq War veteran in Tucson, Arizona. Letty is hired by her friend librarian Seri Durand to investigate a murder in Seri's library. Seri's work colleague had encountered an intruder in the library and was stabbed to death as a result. Seri hires Letty to find the killer. They both suspect the murderer was searching for a specific item because library materials had...