Pyramids (Discworld Series #7)

Unlike most teenaged boys, Teppic isn't chasing girls and working at the mall. Instead he's just inherited the throne of the desert kingdom Djelibeybi—a job that's come a bit earlier than he expected (a turn of fate his recently departed father wasn't too happy about either).

It's bad enough being new on the job, but Teppic hasn't a clue as to what a pharaoh is supposed to do. After all, he's been trained...