You decided to descend through the hole in the floor. You do. And, as you might expect to find in a room over the library, a blazing furnace burns away all by itself. Although you cannot fathom why, a small table with s'more fixin's is set up next to a kiddie slide that goes directly into the firey flames of the furnace, which is filled with fire.
Make a s'more.
Go down the slide.