Time Traveler Trilogy Series by Steve Lyons

An ibooks original: The first in a trilogy of all-new novels based on the popular comic book series Within our own universe lies another universe unknown to us...until now. This is the realm of the Micronauts -- a place ruled by the tyrant Baron Karza, whose scientific marvels offer his people immortality, at the cost of their humanity. When Earthman Ryan Archer is thrown into their world, not only are things about to change, but Ryan will have much to do with it...

Within our own universe lies another universe unknown to us...until now. This is the realm of THE MICRONAUTS - a place ruled by the tyrant Baron Karza, whose scientific marvels offer his people immortality, at the cost of their humanity. When Earthman Ryan Archer is thrown into their world, not only are things about to change, but Ryan will have much to do with it...

Baron Karza ha analysed the Time Traveller many times. He has spent his life trying to learn the mysterious figure's secrets, dreaming of what he could achieve if he had the power to rewrite history. But Karza has detected something wrong - time itself isn't flowing as is should...and it's beginning to fray around the edges.