There are 3 books in the Camp Haunted Hills series.
The Camp Haunted Hills series does not have a new book coming out soon. The latest book, The Dinosaur That Followed Me Home (Book 3), was published in May 1990.
The first book in the Camp Haunted Hills series, How I Survived My Summer Vacation, was published in May 1988.
The Camp Haunted Hills series primarily falls into the General Fiction genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.