There are 2 books in the Elephants Never Forget series.
The Elephants Never Forget series does not have a new book coming out soon. The latest book, Big Top Otto (Book 2), was published in August 2013.
The first book in the Elephants Never Forget series, Big City Otto, was published in September 2011.
The Elephants Never Forget series primarily falls into the Graphic Novel genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.