Books like Gravity Falls: Lost Legends

Gravity Falls is an American mystery comedy animated television series created by Alex Hirsch for Disney Channel and Disney XD. The series follows the adventures of Dipper Pines and his twin sister Mabel who are sent to spend the summer with their great-uncle Stan (Hirsch) in Gravity Falls, Oregon, a mysterious town full of paranormal incidents and supernatural creatures. The kids help Stan run the "Mystery Shack", the tourist trap that he owns, while also investigating the local mysteries.