There are 3 books in the Penelope Tredwell series.
The Penelope Tredwell series does not have a new book coming out soon. The latest book, The Black Crow Conspiracy (Book 3), was published in March 2015.
The first book in the Penelope Tredwell series, Twelve Minutes to Midnight, was published in March 2014.
The Penelope Tredwell series primarily falls into the Mystery genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.