One of my favorite books, Of Mice and Men, is a story about a man with a learning or intellectual disability. Do you have favorite books about or featuring disability?

I hope nothing I say here is offensive. If it is, I apologize for my ignorance.

Now, I guess I never thought of disability in any but physical way. I mean I thought of it as a person in a wheelchair, not as mental disability, but thinking about Of Mice and Men, I think Lennie Small has some kind of autism and intellectual disability. I mean I don't know exactly what he has, and I'm not here to diagnose a fictional character, but the story demands that we try to understand Lennie's mental difficulties in order to form a judgment about a person who, despite being kindhearted and caring, also does terrible things. Like is he a victim, a monster, beyond comprehension?

In any event, I'm interested to hear what books or stories you enjoy that are either directly about problems associated with disability or feature disabled characters.