22.

uietly, you pry back a few planks, enough to squeeze through. You carefully avoid the nails sticking out from the planks–no need to have yet another tetanus shot! You slowly let the planks fall back into place. The room is completely empty, except for a few dust bunnies and a loosely hanging poster. A few teenagers apparently crashed here, as you can see some cigarette butts on the floor.

To indulge your inner Martha Stewart and clean the dust bunnies, go to 75.
To use your masterful Sherlock Holmes skills and examine the cigarette butts, go to 64.
To practice your Adrian Monk imitation and straighten the poster, go to 41.