Journal 3 brims with every page ever seen on the show plus all-new pages with monsters and secrets, notes from Dipper and Mabel, and the Author's full story. Fans of Gravity Falls will simply love this 288-page full-color jacketed hardcover version of Journal 3!Plus the book jacket doubles as an exclusive poster! 故事講述瞭12歲的迪普和雙胞胎姐姐梅寶被從加州的傢中送到瞭一個虛構的俄勒岡小鎮——重力泉鎮,與住在那裏,經營著滿是欺騙遊客陷阱的“神秘小屋”的斯坦叔公一同度過暑假。這個小鎮並不像看上去的那樣祥和平靜,孩子們一邊幫助斯坦經營滿是欺騙遊客陷阱的“神秘小屋(The Mystery Shack)”,一邊調查當地神秘事件。在迪普從森林裏發現的日誌的幫助下,姐弟倆開始慢慢的解開這個小鎮的種種謎團。隨著迪普和梅寶的好朋友:收銀員溫蒂、勤雜工蘇斯,以及各種角色的齣現,讓迪普和梅寶總能對新的*充滿期待。