It will come out in 2013.
The fourth book came out on August 23, 2012.
The fourth book - Inheritance - was released on November 8, 2011.
The fourth book, City of Fallen Angels, was released on April 5th 2011.
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.
Breaking Dawn, the fourth Twilight book came out on August 2nd, 2008.
Do you mean Eragon? If yes then it has already come out and there is a fourth book.
hope i was of help!
It already has.
It has already come out. It is called Dark Reunion. The firth book The Return: Nightfall has just come out though.
The fourth book, called Inheritance, comes out in November 2011
The book came out October 23, 2012.
March 18, 2008