480 pages; softcover.

Nightmares and daydreams! When D'Spayre targets Generation X, can Chamber overcome his inner darkness? Then, Black Tom Cassidy attacks - with a secret weapon the team won't see coming! Meanwhile, Bastion has launched Operation: Zero Tolerance - and while Jubilee struggles to escape his manipulative clutches, Gen X faces the threat of the elements, the fury of the Sentinels-and the sting of betrayal! What horrible line will Emma Frost cross to ensure her students' safety? And amid the chaos, the shocking truth about M finally comes to light! Plus: Emma's past is revealed! Generation X meets Spider-Man! Artie, Leech and Franklin Richards journey into the unknown with Man-Thing and Howard the Duck! And Gen X like you've never seen them! Collecting GENERATION X (1994) #24-32, #-1 and ANNUAL '97; X-MEN UNLIMITED (1993) #16; MARVEL TEAM-UP (1997) #1; DAYDREAMERS #1-3; and GENERATION X UNDERGROUND #1.