Ingenious traps have been laid to ensnare the careless and unsuspecting, and wealth beyond imagining could be the reward for those with the courage to face the terrible unknown. But where the perilous journey inward ends--in the cold, shrouded heart of a breathtaking necropolis--something else is waiting for Sam Conklin and his exploratory party. A thing created by Man, yet not humanly possible. Something wondrous...something terrifying.
I rarely read books that I think will be a 7.0 or less--because so many books are better. Therefore, I'd say give Excavation a pass.
For more on the subject, see Indiana Jones and the Stereotypes of Doom and The Best Indian Books.