Dead Ringer

In Dead Ringer, the eighth book in the Aggie Underhill Mystery series, Aggie and her friends find themselves embroiled in a puzzling mystery while staying at a beach house in Oceanside. When a bizarre incident involving a golden ring baked into a doughnut occurs, it sets off a chain of events that puts Aggie in danger. With her best friend Betty taking the lead to uncover clues, the characters embark on a humorous quest to resolve the mystery before her granddaughter's arrival.