The Wondla series does not have a new book coming out soon. The latest book, The Battle for Wondla (Book 3), was published in May 2014.
The first book in the Wondla series, The Search for Wondla, was published in October 2010.
The Wondla series primarily falls into the Action Adventure genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.