The Timebenders series does not have a new book coming out soon. The latest book, Lost in Cydonia (Book 4), was published in November 2002.
The first book in the Timebenders series, Battle Before Time, was published in June 2002.
The Timebenders series primarily falls into the Action Adventure and Christian genres. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.