Tom DeSanto

Humans and Transformers are at war and Optimus Prime is gone. The key to saving humanity's future lies buried in the secrets of the past, in the hidden history of Transformers on Earth.

The world was saved after an epic battle that left a great city torn. As humanity picks up the pieces, a shadowy group reveals itself in an attempt to control the direction of history, while an ancient, powerful new menace sets Earth in its crosshairs. With help from a new cast of humans, Optimus Prime and the Autobots rise to meet their most fearsome challenge yet. In an incredible adventure, they are swept up in a war of good and evil, ultimately...

On the planet Cybertron, a war was waged between the Autobots and the Decepticons for control of the Allspark, a mystical talisman that would grant unlimited power to whoever possessed it. The Allspark is smuggled off the planet, but Megatron goes in search of it. He tracks it to Earth and his desire for power sends him into the Arctic Ocean. The sheer cold forces him into a paralyzed state. His body is later recovered, and before going into a comatose...

The Autobots learn of a Cybertronian spacecraft hidden on the moon and race against the Decepticons to reach it and to learn its secrets.