Greg Bear's HALO: PRIMORDIUM will be available in a trade paperback edition on October 30th for $15.99.
HALO: PRIMORDIUM is the second book in the New York Times bestselling Halo Forerunner Saga, written by legendary science fiction author Greg Bear. Halo: Primordium is also currently available in hardcover, e-book, and audiobook. The first book of the Forerunner Saga, Halo: Cryptum (Book 1) is currently available in trade paperback, e-book, and audiobook.
In Halo: Cryptum, Greg Bear began a three-book arc set in the era of the Forerunners, the ancient and enigmatic creators and builders of the Halos, which continues in Halo: Primordium. The third book in the series, Halo: Silentium is due to release in Spring 2013.