Necropolis is a combination sourcebook, campaign guide and adventure intended for 10th to 18th level characters. Originally designed by Gary Gygax himself, this version has been updated to reflect the D&D 3.0 rules set.
From the Book: "Gary Gygax's Necropolis is a vast campaign scenario that sweeps the characters into an epic adventure across the magical desert kingdom of Khemit. From a hidden evil in a desert village, to the secrets of ancient tombs, Necropolis take the characters on a dangerous mission to thwart the plans of an undying archpriest-wizard who would be a god!"