Transformers: Revenge of the Fallen: Defiance, Volume 1 (Transformers: Revenge of the Fallen-Defiance Official Movie)

In graphic novel format, goes back to the beginning of the war between Autobots and Decepticons. Somewhere in space exists the planet Cybertron. It is populated with creatures with the ability to alter their appearances. They exist peacefully, living to protect an ancient artifact of great power, the Allspark, until a terrible evil arrives on Cybertron, tearing apart their civilization and throwing their world into chaos.