"The Case of the Lethal Letters!" #204
| Series | Superman |
| Number | Vol. 1 #204 |
| Publisher | DC Comics, National Periodical Publications, Inc. |
| Date | 1968-02 |
| Type | Comic Book, Softcover |
| Language | English |
| Cover Artist | Neal Adams |
| Creator | Jerry Siegel, Joe Shuster |
| Inker | Mike Esposito, Al Plastino |
| Penciler | Ross Andru, Al Plastino |
| Writer | Cary Bates, Otto Binder |
| Genre | Superhero |
| Published in | Sparta, Illinois |
| Pages | 32 |
| Characters | Superman (Kal-El )(Earth 1), Lori Lemaris, Lana Lang, Lois Lane |
| Story Location | Fortress of Solitude; Kandor |
| Links | Issue link · Reprint link |
| Notes | Reprinted Issues: 2nd story: Action Comics Vol 1 #222, November, 1956; "The Duplicate Superman!" 3d story: "The Fortress of Fear!" |
Added by mlopinto
Collected in 1
| Title | Number | Date | Format | |
|---|---|---|---|---|
 | "Europe at War" | Vol. 3 #C-31 | 1974-11 | Softcover |