Comic Title: Adventure Comics #140
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: May 1949
Approx. On Sale Date: March 23, 1949 Copyright Date March 21, 1949
Source: Library of Congress, Periodicals 1949
Until 1958 DC did not report actual on sale dates to the copyright office
The publication dates listed in LoC records are NOT release dates.

Frequency: Monthly
Cover Price: $0.10
Page Count: 48
Editor: Jack Schiff

Title: "The Sleuth of the Sea"
Pages: 6

Feature(s):
Aquaman (of Earth-2)

Writer: Otto Binder
Artist: John Daly

Feature Character(s)

• Aquaman (last appearance in Adventure Comics #139; next appearance in Adventure Comics #141)

Supporting Character(s)

• The Sea Sleuth (Phineas Pike; next appearance in Adventure Comics #141)

Villain(s)

• A ring of kidnappers (no further appearances)

Synopsis:
Aquaman meets Phineas Pike, a self-proclaimed expert on all things aquatic. When Aquaman receives a bottled message from a kidnap victim, Pike's analysis leads the Sea King to the kidnappers. Pike, now calling himself the Sea Sleuth, helps Aquaman track down the entire ring of kidnappers and rescue their victim.