The Falcon at the Portal

This is an okay book written by Elizabeth Peters. In 1911, Amelia’s adopted son David is now married to her niece Lia. The family learns that someone impersonating David has been selling high-quality fake antiquities. They discover the body of an American girl in the shaft of a pyramid they are excavating. They try to solve both mysteries and discover there is a connection between the events. This is the 11th novel in the series and the title refers to Horus.