The Suzanna Snow series does not have a new book coming out soon. The latest book, The MasterMind Plot (Book 2), was published in March 2012.
The first book in the Suzanna Snow series, The Midnight Tunnel, was published in March 2011.
The Suzanna Snow 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.