The game's companion novel, Crystal Picnic Adventures is now available as DLC! The book was written by John Bardinelli who wrote the script and most of the dialogue for the game. It comes in 3 formats to support most e-book and document reading software on PC and mobile.
Check out the DLC here:
http://store.steampowered.com/app/440360/
There's also now a game/OST/book "Deluxe Edition". Go to the main game page:
http://store.steampowered.com/app/415890/
to find the link!