Elizabeth Peters: Lord of the Silent [2001] paperback

Dateline: Cairo and environs, 1915. Risking life, limb and her second-best hat, the intrepid Egyptologist Amelia Peabody and her irascible, handsome archaeologist husband Emerson embark on another season of exploration and crime solving. When a dead body tums up in the tomb they are excavating, Amelia vows to protect her family and find the killer no matter what the cost. Filled with surprises, including the return of a long-lost but certainly not forgotten enemy, here is delicious entertainment starring fiction's best loved and most indomitable lady sleuth.