Cover Characteristics: Book Covers featuring Disability

I've been wanting to do this post for a while since I talk a lot about disability in books on my blog and have the list of sci-fi/fantasy books with disability and everything, but let me tell you, there are NOT a lot of book covers out there that show any sort of visible disability on them. Especially sci-fi/fantasy books, which is what I like to focus on. A lot of disabilities are invisible, and...