The Lost Earth Saga Series by James Axler

Kane and his companions find themselves catapulted into an alternate reality, a parallel universe where the course of events in history is dramatically different. What hasn't changed, however, is the tyranny wrought by the Archons on mankind, this time with human "allies". Book one in the new "Lost Earth Saga", a trilogy that chronicles the heroes' paths through three very different alternate realities, where the struggle against the evil Archons goes on.

Unabridged. An ex-soldier of the new order that seized power in the post-holocaust world of America now ventures beyond the Outlands, face-to-face with other shocking realities... Kane and his fellow Outlanders are thrown into a world where the nuclear war never happened but a clandestine war rages on against the sinister forces that still rule humanity. Here, this deadly spectre has openly revealed itself--as mankind's great benefactors... moreUnabridged. An ex-soldier of the new order that seized power in the post-holocaust world of America now ventures beyond the Outlands, face-to-face with other shocking realities... Kane and his fellow Outlanders are thrown into a world where the nuclear war never happened but a clandestine war rages on against the sinister forces that still rule humanity. Here, this deadly spectre has openly revealed itself--as mankind's great benefactors. As Kane and his band meld with their doubles in this new reality, their quest to change history is confronted by ultimate evil. (The Lost Earth Saga - Book 2) less

Born out of the fire and ashes of a nuclear exchange, a rogue warrior searches for ways to undo the past. Kane and his fellow exiles are thrown into a reality where the nukecaust didn't happen--where the inhabitants had driven the enemy from the planet. But now the dark forces are back for the final confrontation.