I am trying to remember the name of a science fiction novel that came probably between 5 and 10 years ago. The novel centers around a man who is strongly OCD (or Aspergers maybe), who tries to closely adhere to a very set process and schedule for his life, else reality will "unravel," bringing both small and large changes in his life (ie he finds his home somewhere else). It turns out that what is in fact happening is that he can jump between parallel universes, and eventually he is called on to use this skill to save all the universes from some catastrophe. Does that ring any bells with anyone? I know a couple of kids who are old enough to understand they have similar traits that might appreciate them at the center of a novel.
By the way, I seem to remember Orson Scott Card (?) has a novel where the main character was OCD, where folks who had certain compulsions were treated as prophets. Can't remember the name of that one either. I remember the protagonist would trace cracks on the floor when she got upset.
Update: Found it: Resonance. Thanks to commenter Joe Martin. He has a link to it in the Baen free library.