Inspired by the scene where they're floating in the theme song/ title sequence.
Link to the theme song:[link][link][link]
So yeah, I was FINALLY
able to find a picture of the book online (from the GF wiki:[link]
) which had to be the most interesting part of drawing this pic. That book is so mysterious. A picture of a six-fingered hand with the number 3 on it? WHAT COULD THAT POSSIBLY MEAN?? Gravity Falls (c) Alex Hirsch, Disney