| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Gravity Falls Dipper's and Mabel's Guide to Mystery and Nonstop Fun! | 978-1-4847-1080-7 (1-4847-1080-0) | 2014 | Shane Houghton |
| Gravity Falls: Journal 3 | 978-1-4847-4669-1 (1-4847-4669-4) | 2016 | Alex Hirsch |