Charlie Yazzie and Thomas Begay find themselves caught up in yet another dangerous and intrigue filled adventure on the nations largest Indian reservation. Old and new characters become involved in one of the canyon land's oldest mysteries. Thomas's longtime drinking buddy and Charlie's former archaeology Professor are the target of a ruthless Indian rights movement. Hidden forces are determined to end an investigation that could change the face of an ancient people. Dark secrets are revealed in this fast paced mystery and fascinating culture. Ancient Blood is book number three in the Navajo Nation Mystery series - a stand-alone sequel to the widely acclaimed Navajo Autumn and Boy Made of Dawn.