When I was a substitute teacher I would give the kids logic puzzles of varying difficulty. I would offer $100 if anyone could provide me with the answer to this one. If they looked it up on Wikipedia and could then explain it to me, I'd give them a king size candy bar.
"The Book of the New Sun" exists and is one of the most amazing things ever written. I can't recommend it enough but it comes with the caveat that you don't "read Gene Wolfe, you reread him".
When I was a substitute teacher I would give the kids logic puzzles of varying difficulty. I would offer $100 if anyone could provide me with the answer to this one. If they looked it up on Wikipedia and could then explain it to me, I'd give them a king size candy bar.
I never had to pay out.
https://en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever