For decades, Transformers fans across the globe have marveled at the mighty clashes of Megatron and Optimus Prime, and speculated about their arrival on planet Earth. Now, in Transformers: Retribution, the prequel to the Transformers animated series, the epic odyssey of these two great warriors is finally revealed as Autobots and Decepticons battle one another . . . and the most diabolic foe they’ve ever encountered. Aboard the Ark, Optimus Prime leads his Autobots through deep space, searching for the AllSpark so vital to their home planet, Cybertron. Megatron’s not far behind, and his Decepticons are itching for war. But a mysterious planet conceals an enemy far more cunning and powerful: the Quintessons. Masters of tyranny, technology, and twisted double crosses, the Quintessons are out to enslave both Autobots and Decepticons. Their deadly bag of tricks includes fiendish trials and a secret link all the way back to Cybertron, where Shockwave is wreaking havoc with supercomputer Vector Sigma. In the coming conflagration, Star Seekers, Wreckers, Alpha Trion, and Sharkticons all have their parts to play. For none can dodge the Quintesson juggernaut of evil, and none will escape the cataclysmic life-and-death battles that will catapult Autobots and Decepticons to Earth.

For twenty-five years the colossal battle between Megatron and Optimus Prime has captivated Transformers fans around the world. Yet the full story of the conflict between the two most famous Transformers—everything that happened before Optimus and Megatron arrived on planet Earth—has always been a mystery . . . until now. Here, for the first time told in its entirety, is the thrilling saga of Optimus and Megatron before they were enemies, before they even knew each other. “Freedom is every Cybertronian’s right!” After Megatron utters these immortal words, the caste-bound planet of Cybertron is rocked to its foundations. Megatron, an undefeated gladiator thug, gives voice to the unspoken longings of the oppressed masses—and opens the mind of an insignificant data clerk to possibilities previously unthinkable. Long before becoming the honorable Optimus Prime, Orion Pax is a mere office underling, an unlikely candidate to answer an outlaw’s call to revolution. But Orion is determined to meet this defiant enemy of all that Cybertron stands for, no matter what he has to do, or how many laws he has to break. 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 characters, including Starscream, Sentinel Prime, Omega Supreme, and one of the thirteen original Primes, the last link to Cybertron’s glorious Golden Age. Discover how meek disciple Orion Pax becomes the fearless leader Optimus Prime; follow the tantalizing clues about the lost Matrix of Leadership and the lore surrounding it; find out why the two allies fighting a corrupt regime suddenly turn on each other, and what triggers their epic war. Transformers: Exodus provides everything fans ever wanted to know about one of the fiercest rivalries of all time.

The epic battles between Optimus Prime and Megatron have long thrilled Transformers fans. But these two giants weren’t always great leaders and bitter foes. This new novel continues the electrifying saga that started with Transformers: Exodus, unveiling the origins of the conflict—the explosive events that unfolded before Optimus and Megatron arrived Earthside, forever altering the destiny of their kind. Once allies, Optimus and Megatron are now enemies in a civil war. To prevent Cybertron from falling into Megatron’s hands, Optimus jettisons the planet’s heart, the AllSpark, into space, then sets out to find it with Megatron hot on his heels. Optimus is determined to defeat Megatron, bring the AllSpark home, and restore Cybertron to its former glory. But a saboteur lurks aboard Optimus’s spaceship, and ahead lie lost colonies, some of them hostile. Optimus needs help of the highest caliber, but from whom? Heroes such as Solus, Nexus, and Vector Prime are just names from make-believe stories of long ago. Or are they? Maybe it’s time for Optimus Prime to find out. Maybe it’s the only chance he has to vanquish mighty Megatron.

Roll out with Optimus Prime, Bumblebee and the rest of the heroic Autobots as they battle the evil Decepticons. Starscream has been searching Earth to find the mighty Con Skyquake, whose mission is to destroy Optimus under ancient orders from Megatron. Is Optimus ready to face his old enemy once again?

The first human-alien contact. The last word in galactic warfare. The story you must read–before Transformers rockets to the big screen! A mammoth robotic being, clearly of alien origin, has been found beneath the Arctic ice. Its advanced engineering dwarfs known human technology, and unlocking its secrets will catapult American science eons into the future. In search of the mysterious artifact’s origin, a covert government agency sends the manned craft Ghost 1 on a perilous journey of discovery. When a mishap maroons Ghost 1 in the far reaches of unknown space, the ship’s distress beacon reaches the very alien race Ghost 1’s crew has been seeking: the Autobots. The gigantic mechanized beings are also on a quest: to find the Allspark, a device crucial to the salvation of their home world, Cybertron. But they’re not alone. The Decepticons, the Autobots’ brutal enemies, have their own sinister purposes in seeking the Allspark. As these adversaries are drawn together once more, the stage is set for a death-dealing new battle in which each is driven by a single-minded aim: total annihilation of the enemy.

The mighty Thor was set to become king of Asgard until the evil Frost Giants attacked. Now, Thor and his faithful companions -- loki, Lady Sif, and the Warriors Three -- will journey to the frozen realm of Jotunheim to confront these monsters once and for all.

In this fast-paced and engaging junior novelization of Transformers: Dark of The Moon,a long-lost spaceship from Cybertron is discovered on the moon. What secrets does it hold? The race to find out begins when the Decepticons come out of hiding to take over and the Autobots fight back to save their new home.

In a dystopic future during a worldwide cold war, a machine called the Phoenix Space Elevator has been destroyed and U.S. agents Claire Haskell and Jason Marlowe are called in to investigate.