Please add The Martian, by Andy Weir. I think a 10-year-old could read this, but it has an awful lot of cursing and a little bit of sexual humor. Nevertheless, it is a fabulous book.
Quote
"He’s stuck out there. He thinks he’s totally alone and that we all gave up on him. What kind of effect does that have on a man’s psychology?"

He turned back to Venkat. "I wonder what he’s thinking right now."

LOG ENTRY: SOL 61

How come Aquaman can control whales? They’re mammals! Makes no sense.