Comic Title: Superman #204
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: February 1968
On Sale Date: December 14, 1967 Newsstand Date December 14, 1967
Source: Direct Currents, Atom #35, Page 31

Copyright Date December 14, 1967
Source: Library of Congress, Periodicals 1967

Frequency: Monthly, with the exception of Mar., Sept. and Dec.; (Semi-monthly, Jan.)
Cover Price: $0.12
Page Count: 32
Editor: Mort Weisinger

Title: "The Case of the Lethal Letters"
Pages: 13

Feature(s):
Superman (of Earth-1)

Writer: Cary Bates
Penciller: Ross Andru
Inker: Michael Esposito

Reprinted In:
Limited Collectors' Edition C-31 (1974)

Feature Character(s)

• Superman (last appearance in World's Finest Comics #173; next appearance in Superman #204)

Supporting Character(s)

• Lois Lane (last appearance in World's Finest Comics #173; next appearance in Action Comics #361)
• Lana Lang (last appearance in Superman's Girl Friend, Lois Lane #80; next appearance in Action Comics #363)
• Lori Lemaris (last appearance in Action Comics #325; next appearance in Action Comics #365)

Villain(s)

• Lorraine Lewis (aka Lorraine Delon; dies in this story; no further appearances)
• A gigantic sea creature (no further appearances)
• Bal-Gra (a Phantom Zone villain; in flashback; no further appearances)
• A lunatic gunman (in flashback; no further appearances)

Synopsis:
Superman receives a warning that harm will befall his friends if he does not abandon his crime-fighting career. When Lana Lana and Lori Lemaris are both attacked and disappear, Superman suspects that Lois Lane will be the next target. Despite his efforts to protect her, Lois also disappears.

Superman announces that he will end his career and asks that his unknown opponent return the missing girls. Following his announcement, television reporter Lorraine Delon returns to her hideout in preparation to kill the kidnapped women. Superman follows her after picking up her excited heartbeat following his announcement.

Lorraine incapacitates Superman uses Q-Energy which originates from another universe. She explains that her real name is Lorraine Lewis, a brilliant female scientist. She holds a grudge against Superman because his girl friends with the same initials have upstaged her own achievements. Superman is able to escape the Q-Energy trap, and Lorraine is disintegrated by her own actions. Superman then frees the kidnapped girls.