Five books about characters who turn disability into superpowers

Cammie McGovern is the author of A Step Toward Falling, Say What You Will as well as the adult novels Neighborhood Watch, Eye Contact, and The Art of Seeing. At Tor.com she tagged five books about characters who turn disability into superpowers, including:
Forrest Gump by Winston Groom

Technically, Forrest’s “superabilities” are never explained beyond the idea that he’s too cognitively disabled