There are 4 books in the Tale of Coven Tree series.
The Tale of Coven Tree series does not have a new book coming out soon. The latest book, Professor Popkin's Prodigious Polish (Book 4), was published in October 1991.
The first book in the Tale of Coven Tree series, Devil's Donkey, was published in January 1981.
The Tale of Coven Tree series primarily falls into the General Fiction genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.