There are 4 books in the Diary of a Little Witch series.
The Diary of a Little Witch series does not have a new book coming out soon. The latest book, The Magic Well (Book 4), was published in August 2015.
The first book in the Diary of a Little Witch series, New Adventures, was published in June 2015.
The Diary of a Little Witch 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.