"The Mark Of The Monster!" #40
| Series | Uncanny X-Men |
| Number | Vol. 1 #40 |
| Publisher | Marvel Comics |
| Date | 1968-01 |
| Type | Comic Book, Softcover |
| Language | English |
| Editor | Stan Lee |
| Inker | George Tuska |
| Letterer | Artie Simek |
| Penciler | Don Heck |
| Writer | Roy Thomas |
| Genre | Superhero |
| Published in | USA |
Added by bluedissolve
Collected in 1
| Title | Number | Date | Format | |
|---|---|---|---|---|
 | "The Mark of the Monster!" #88 | Vol. 1 #88 | 1974-06 | Softcover |