The Jimmy Fincher series does not have a new book coming out soon. The latest book, War of the Black Curtain (Book 4), was published in August 2005.
The first book in the Jimmy Fincher series, A Door in the Woods, was published in July 2003.
The Jimmy Fincher series primarily falls into the Christian Fantasy genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.