After solving the mystery of a serial killer in Clio at War, this lovable scamp Clio unravels the World War I enigma of her great-aunt's missing lover in Clio in the Crossfire.Transplanted from New York City to rural Oklahoma in World War II, Clio disentangles a decades-old secret with the help of a German prisoner of war. Then, she confronts a personal demon: her missing father with his own schemes.Fans call Clio "smart and rambunctious," "precocious," and "enchanting." They say: "a crazy good book," "a wonderful tale for any age reader," and "I can't support this book more than Just Read It "