New Mutants (1983 1st Series) #21

Giant-size issue. Cover art by Bill Sienkiewicz. Slumber Party!, script by Chris Claremont, art by Bill Sienkiewicz; The New Mutant girls host a slumber party with their friends from Salem Center; Warlock destroys Asteroid M and lands near Xavier's school; after some chaos, the New Mutants bring in Doug to communicate with Warlock, and invite him to join the school. Cannonball, Magik, and Sunspot illustrations by Bill Sienkiewicz. 36 pgs.