The Patty Bergen series does not have a new book coming out soon. The latest book, Morning is a Long Time Coming (Book 2), was published in January 1978.
The first book in the Patty Bergen series, The Summer of My German Soldier, was published in January 1976.
The Patty Bergen series primarily falls into the Historical genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.