| Issue | #100 |
| Published | August 1976 |
| Cover Price | $0.25 |
| Pages | 36 |
| Editing | Marv Wolfman |
| Notes | Letters page letter from Dean Mullaney. |
| Characters | Storm; Colossus; Wolverine; Banshee; Nightcrawler; X-Sentinels--Professor X; Cyclops; Marvel Girl; Angel; Beast; Iceman |
| Genre | superhero |
| Pencils | Dave Cockrum |
| Inks | Dave Cockrum |
| Letters | Dan Crespi |
| Notes | Letters page letter from Dean Mullaney. |
| Reprinted | in Classic X-Men (Marvel, 1986 series) #8; in Marvel Masterworks (Marvel, 1987 series) #11 (1989); in Essential X-Men (Marvel, 1996 series) #1 |
| Characters | FEATURE: X-Men--Professor X; Cyclops; Jean Grey; Storm; Wolverine; Colossus; Banshee; Nightcrawler; GUEST: Peter Corbeau; VILLAINS: Stephen Lang, X-Sentinels--Professor X; Cyclops; Marvel Girl; Angel; Beast; Iceman; Havok; Polaris |
| Synopsis | The X-Men have to battle the X-Sentinels to free their captured comrades; The space station is damaged in the fight, and Jean has to guide the Shuttle back to earth herself knowing the strain will kill her. |
| Genre | superhero |
| Script | Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Dave Cockrum |
| Colors | Bonnie Wilford |
| Letters | Annette Kawecki |
| Notes | 1st Fastball Special |
| Reprinted | in Classic X-Men (Marvel, 1986 series) #8; in Marvel Masterworks (Marvel, 1987 series) #11 (1989); in Essential X-Men (Marvel, 1996 series) #1; in Uomo Ragno, L' (Edizioni Star Comics, 1987 series) #68; in X-Men Classic (Marvel Italia, 1995 series) #3 |