Comic Title: Superman #138
Publisher: DC (National Comics Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: July 1960
On Sale Date: May 5, 1960 Newsstand Date May 5, 1960
Source: House Ad, Action Comics #265, Page 31

Copyright Date May 5, 1960
Source: Library of Congress, Periodicals 1960

Frequency: Monthly, with the exception of March, June, September and December
Cover Price: $0.10
Page Count: 32
Editor: Mort Weisinger

Title: "The Mermaid from Atlantis"
Pages: 9

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

Writer: Jerry Siegel
Penciller: Wayne Boring
Inker: Stan Kaye

Reprinted In:
Superman #278 (1974)
Showcase Presents Superman Vol. 2 TPB (2006)
Superman:The Man of Tomorrow Archives Vol. 3 HC (2014)

Feature Character(s)

• Superman (last appearance in Superman #138; next appearance in Superman's Girl Friend, Lois Lane #18)

Supporting Character(s)

• Lois Lane (last appearance in Superman #138; next appearance in Superman's Girl Friend, Lois Lane #18)
• Perry White (last appearance in Superman #138; next appearance in Superman's Girl Friend, Lois Lane #18)
• Lori Lemaris (last appearance in Superman #135; next appearance in Superman #139)

Guest Appearance(s)

• Aquaman (last appearance in Brave and the Bold #30; next appearance in Adventure Comics #274)

Other Character(s)

• Ronal (last appearance in Superman #135; next appearance in Superman #139)
• Prince Gregory (Prince of Varonia; no further appearances)

Synopsis:
Clark Kent and Lois Lane are assigned to photograph some marine life. The mermaid, Lori Lemaris, decides to help Superman propose to Lois to repay him for putting her together with Ronal. While on the assignment, Lori plants subliminal messages in Superman’s mind with telepathy. However the plan fails.

Next Lori trys to make Superman jealous by secretly setting Lois up with a shipwrecked prince who has amnesia. Lois is about to committ to marriage with him, but Superman helps the man overcome his amnesia, so the prince returns home.

Finally Lori trys to expose Superman’s secret identity to Lois. Clark is able to protect his secret with some help from Aquaman. Superman then talks to Lori and asks her to stop trying to force Lois and him together. She agrees to back off and let him choose his own wife.