There are 3 books in the Zita the Spacegirl series.
The Zita the Spacegirl series does not have a new book coming out soon. The latest book, The Return of Zita the Spacegirl (Book 3), was published in May 2014.
The first book in the Zita the Spacegirl series, Zita the Spacegirl, was published in February 2011.
The Zita the Spacegirl series primarily falls into the Science Fiction genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.