- dreams that dipper recently have only make him more paranoid about what might come in the future. a threat. a threat known as bill cipher. he needs to terminate it before it can cause any damage; to his family and friends. But it's not until stanford detects something that can. something dimensional.. △ I do not own "Gravity Falls" or "Star vs the Forces of Evil" Credits go to Alex Hirsch and Daron Nefcy ➡ this book is currently in progress, this includes story line, book cover and description ⬅