As a longtime fan of 'Gravity Falls' and its lore, I can confidently say that Dipper's mysterious journal is actually a single bound volume, not a series. However, within the show, it's referred to as 'Journal 3'—one of three journals authored by the enigmatic Stanford Pines. The physical copy released by Disney, also titled 'Journal 3,' is a standalone book compiling all of Dipper’s notes, codes, and secrets from the series. It’s packed with hidden messages, ciphers, and even narrative additions that expand on the show’s mythology. The book itself is a must-have for fans, blending in-world lore with interactive elements like invisible ink and folded pages.
While some might assume there are multiple volumes due to the trio of journals in the show, only 'Journal 3' has been officially published as a companion piece. The other two journals exist solely within the 'Gravity Falls' universe, though fans have created impressive replicas. If you’re diving into the fandom, this book is a treasure trove of Easter eggs and behind-the-scenes insights.