According to Amazon Brisingr will be out in paperback on April 27, 2010
Brisingr was published in September 20, 2008. A deluxe edition of Brisingr was released on October 13, 2009.
I hope soon.
While the paperback was released on May 6, 2008, the paperback is not yet scheduled for release as of August, 2008.
Christopher Paolini wrote Brisingr. The paperback has 400 pages. It is the third book in the Inheritance Cycle.
"Harry Potter and the Deathly Hallows" is scheduled to be released in paperback (in the US) on July 7, 2009.
Brisingr was released in the US on September 20, 2008.
Some time in October (some say the 1st and others the 31st), but you can buy it in paper back online. Just google: brisingr paperback release date, and there are several websites selling it, such as overstock.com.
As of the 5th of september 2012 it was released in paperback
23 oct o8
Yes, there is a paperback version available
Catching Fire is not been released in paperback format.
That info hasn't been released yet.