I'm not too sure but I think there are more girls with MPD than boys with MPD.
If that's the case there are more books about girl patients than boy patients; most of the books I've seen are about girl patients.
Cameron West is a man who has MPD who ends up becoming a psychiatrist, i think.
He also wrote a fiction book. I haven't read that one though.
I can't never tell so I always guess whether people are male or female on this site. I guessed you are male.
I sorry if wrong.