The Case of the Unconquered Sisters (a Hugh Rennert Mystery)

Set against the backdrop of Mexico's Pedregal, sisters Lucy and Monica Faudree, along with their niece Cornell, find themselves hosting an archaeological group when a mysterious death disrupts their lives. The arrival of ominous letters and the unsettling presence of owls adds to the tension. U.S. Customs agent Hugh Rennert, an amateur detective, steps in to unravel the mystery. Originally published in 1936, this novel combines elements of Mexican culture with suspenseful action and clever sleuthing, inviting readers to solve the enigma before Rennert.