X-Men Annual
Mojo turns the X-Men into children, forcing the New Mutants to become the X-Men to save them. Longshot joins the team.
Collects The New Mutants Annual #2, The New Mutants #41-47, X-Men Annual #10. Includes the classic Asgardian Wars crossover with X-Men Annual #10.
Collects New Mutants Special Edition #1, X-Men Annual #9, 10, 12 and Classic X-Men #1. Classic annuals featuring the Asgardian Wars - Storm and the New Mutants in Asgard.
Collects New Mutants #35-54, Annuals, Fallen Angels #1-8, and specials. The Asgardian Wars, Fallen Angels, and the teams continued growth under Claremont.
Collects Uncanny X-Men #188-218, Longshot #1-6, Nightcrawler #1-4, and Annuals. Claremonts mid-80s peak -- Nimrod, the Mutant Massacre prologue, and the Longshot/Nightcrawler limited series.
Collects The Uncanny X-Men #199-209, X-Men Annual #10. Classic mid-80s Claremont -- Magneto's trial, Nathan Summers, Storm's depowerment, and Lady Deathstrike.
Collects X-Men Annual #3, 10, X-Men: The Dark Phoenix Saga, The New Mutants Annual #2, X-Men: The Asgardian Wars, The Uncanny X-Men: From the Ashes..., The Uncanny X-Men Annual #17, X-Cutioner's Song, X-Men: Fatal Attractions, Rogue, X-Men: Mutant Genesis...
Collects Uncanny X-Men #199-210 and New Mutants Special. Claremont's run through the Mutant Massacre — one of the X-Men's darkest chapters.