Grunkle Stan: "Studies show that keeping a ladder in the house is more dangerous than a loaded gun. That's why I own ten guns. In case some maniac tries to sneak in a ladder.
The Gravity Falls Reference Map
Dipper and Mabel's Guide To Mystery and Non-Stop Fun: Secret Codes (Sorry this took so long, BTW.) Here are the codes I have found in Dipper and Mabel’s Guide To Mystery and Non-Stop Fun.