Peter Maas--one s, not two--has a career's worth of books under his belt, and he's famous.
Peter Maas is a nobody, who has not accomplished anything out of the ordinary. 
mnli hypothesis: Peter Maas is a nobody, who has not accomplished anything out of the ordinary.  premise: Peter Maas--one s, not two--has a career's worth of books under his belt, and he's famous.