Transformers: Exodus: The Official History of the War for Cybertron

 For twenty-five years the colossal battle between Megatron and Optimus Prime has captivated Transformers fans around the world. Now, for the first time, here is the thrilling saga of Optimus and Megatron before they were enemies, before they arrived on Earth, before they even knew each other. On the caste-bound planet of Cybertron, Megatron, an undefeated gladiator, gives voice to the unspoken longings of the oppressed masses—and opens the mind of Orion Pax, an insignificant data clerk who will become Optimus Prime. What happens between Orion Pax and Megatron forever changes the destiny of all Transformers. This gripping, action-packed novel reveals all the loyalties and treacheries, trust and betrayals, deadly violence and shining ideals, as well as the pivotal roles played by other well-known characters.