It absolutely would be! I love both of those, they feel like fall to me... dragons don't.
Even things like pumpkin picking or patches or autumn baking, I love the idea of a fall book hunt, but I totally acknowledge we've had a lot of book themed hunts lately. Corn mazes, anything really!
Like I want a hunt that reminds me of those stupid decorative corns and the kitschy garlands, hell even a candle in a jar for a lamp, yknow? There's so many options that haven't been overdone that fit this time of year so much better