by latest 12/21/2012 or never
If you mean the fourth book, the release date isn't out yet. There is no confirmation that the fourth book's title is Saphira.
August 23rd
A fourth book entitled A Better Placehas been confirmed, but no release date has been set.
Breaking Dawn, the fourth book in the series of Twilight, has already been released. The release date was August the 2nd, 2008 in the US.
As of now, there is no official release date for the fourth book in the Serpent Tide series. It's recommended to keep an eye on the author's website or publisher for updates on the book's release date.
The release date has not been published yet.
It was released May 6th, 2008 in the US. == == == ==
Sadly, no official name has been anounced. Neither has the release date.
It is called ghost hunter and it came out at the end of 2009.
Yes there will be one. The release date is not known but spoiler(scroll down to know) It is about Gabriel.
The fourth book in the Wingfeather Saga by Andrew Peterson is titled the The Warden and the Wolf King. The official release date has not yet been announced, but Peterson anticipates that it should be around Spring 2013.
it is most likely going to be based around finding Skulduggery's head and use it to rescue him. The release date of the book is at the back of the paperback Faceless Ones Book.