Curse of the Vulture-God

From the publisher's website. When a colleague of theirs uncovers a new clue leading to the undisturbed tomb of a pharaoh, the heroes find themselves plunged into the middle of a millennia-old scheme to unleash an ancient, imprisoned evil. When their efforts to resolve the crisis only make things worse, they have to race against time to destroy the newly-arisen priest of the evil vulture-god, Ehbek-Reme!