A pristine first printing signed by Bill Sienkiewicz. Out of print.
From the publisher:
Collects New Mutants #26-34.
To rescue their mentor's son and their ex-leader, the New Mutants travel across the world, to the past and the future, and deep into the astral plane! But to rescue their friends, they must face enemies hiding inside them - and within themselves!
Guest-starring Professor X, Storm, Shadowcat, Dazzler, Magneto, Emma Frost the White Queen and additional X-associates!