Never-before-told stories of the X-Men by comic book legend John Byrne! Comic book legend John Byrne bridges the gap between the X-Men's classic and all-new, all-different eras! In this series, skillfully woven between the X-Men's 1970 cancellation and 1975 revival, thrill to previously unknown exploits of the strangest teens of all as they search the Savage Land for Magneto! Iceman goes it alone, tragedy strikes Angel, and Beast, Cyclops and Marvel Girl encounter a young mutant named Ororo! The X-Men head into space with the Fantastic Four, Sauron soars again, the Brotherhood of Evil Mutants returns, and the team faces the mysterious group the Promise! Plus: Sentinels, Kraven the Hunter, the Mole Man and the Yeti! And it all concludes with a seamless 'crossover' with a classic FANTASTIC FOUR tale! Collecting: X-Men: The Hidden Years [tel], Fantastic Four [tel]; material from X-Men [tel], Amazing Adult Fantasy [tel]