The Agora Trilogy series does not have a new book coming out soon. The latest book, The Canticle of Whispers (Book 3), was published in February 2013.
The first book in The Agora Trilogy series, The Midnight Charter, was published in September 2009.
The Agora Trilogy series primarily falls into the Fantasy genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.