- Script
- Stan Lee
- Pencils
- Jack Kirby
- Inks
- Paul Reinman
- Colors
- ?
- Letters
- Sam Rosen
- Job Number
- X-401
- First Line of Dialogue or Text
- In the main study of an exclusive private school in New York's Westchester County, a strange silent man sits motionless, brooding...
- Genre
- superhero
- Characters
- Professor X [Charles Xavier] (first appearance); X-Men [Cyclops [Scott Summers] (first appearance); Beast [Henry McCoy] (first appearance); Angel [Warren Worthington III] (first appearance); Iceman [Bobby Drake] (first appearance); Marvel Girl [Jean Grey] (first appearance)]; Magneto (1st for all appearances)
- Synopsis
- After a day of training and meeting Jean Grey, a new student at Professor X's school, the X-Men go one their first assignment--stopping a mutant named Magneto from talking over an Air Force base.
- Reprints
- Keywords
- Cape Citadel; missiles; remote control private jet; Rolls Royce; telepathy; U.S. military
Comic includes 2 full page house ads for Amazing Spider-Man #4 and Sgt. Fury and His Howling Commandos #3.