Collects Transformers: War Within #1-6 and Transformers: War Within: The Dark Ages #1-6.
*Collected in its entirety for the first time ever, Transformers: War Within Omnibus presents the long-out-or-print series War Within and War Within: The Dark Ages. In this 12-part story, four million years before the Transformers came to Earth, civil war rocks their home world of Cybertron, and Optimus Prime faces his first—and greatest—challenge. But before he can deal with the Decepticons, the new Autobot leader must look within, and decide if Cybertron is worth saving at all! *Source: idwpublishing.com