Sole librarian for the small northeastern Oklahoma town of Wyndham, Juanita Wills (Bookmarked for Murder) is in a unique position to investigate the town's history, but her dogged pursuit of information often gets her into trouble. In her latest research, she discovers an unsolved murder from 1959. The victim was a black teenager from the all-black town of Bryson's Corner; the motive and suspects have never been established. Was it a racist killing? Uncovering the truth becomes Juanita's goal even though no one in either town wants to talk about the case. Despite the grim nature of the crime, Hill sets an old-fashioned cozy mood: Juanita dines her boyfriend, Det. Lt. Wayne Cleary, ordering sweetbreads, and the couple, in their forties, share only a few kisses. The mystery is cleverly presented, and the characters are endearing, but the labored discussion of racism in the past and the present feels forced, like a didactic history lesson. A good choice for libraries with avid mystery readers and Plains history buffs.