In Hailey Twitch and the Campground Itch, girl named Hailey Twitch and her best friend Addie Jokobeck go camping. Her older sister has a friend coming with them too. Her sister's name is Kaitlyn and her sister's friend's name is Maya Greenbert. So, Hailey and Addie and her spirit are causing lots and lots of trouble for Maya because she is Hailey's arch-enemy. This is a good book!