They have both come out today.
Over 30 million copies of "Inheritance" by Christopher Paolini have been sold worldwide since its initial publication.
I assume you mean the Inheritance Cycle by Christopher Paolini. The fourth book, Inheritance, will be released on November 8, 2011. Hope that helped!
"The Inheritance" series by Christopher Paolini consists of four main books: "Eragon," "Eldest," "Brisingr," and "Inheritance." As of now, there has been no announcement for a fifth book in the series.
Eragon was first released by Christopher Paolini's parents' publishing company (Paolini International LLC) in 2002
Brisingr, the third book in the Inheritance Cycle by Christopher Paolini, was released on September 20, 2008
The release date for a new Inheritance series book has not been officially announced. Christopher Paolini, the author, has stated that he is working on new projects but has not confirmed a specific release date for another book in the Inheritance series.
The AudioBook version will be released December 1, 2013
Well, the candidates for the title are 'Empire', 'Eridor', 'Ending', 'Glaedr' and 'Aleala'. If you want more info on the titles go to: http://www.shurtugal.com/wiki/index.php/Book_IV_%28Theories%29#Title
On randombuzzers.com, Christopher Paolini finally released it! It's called Inheritance and is expected to come at the price of $27.99 on November 8th of 2011! It has a green dragon cover, too! Check it out!
Christopher Paolini has announced that he is working on a new book set in the world of "Eragon," but there is no confirmed release date yet for his fourth book. Fans will need to stay tuned for updates from the author.
He is the author of the Inheritance Cycle... fantasy books based in the land of Alagaësia. The first is called Eragon, the second Eldest, and the third is Brisingr. The fourth has yet to be released.
Murtagh is a character from the Inheritance cycle, not Harry Potter. Christopher Paolini has not released his fourth and final book yet, so there is not an answer to your question at this point.