Comic Title: Detective Comics #51
Publisher: DC (Detective Comics, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: May 1941
Approx. On Sale Date: March 27, 1941 Copyright Date March 28, 1941
Source: Library of Congress, Periodicals 1941
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: 64
Editor: Fredric Whitney Ellsworth

Title: "The Case of the Mystery Carnival"
Pages: 13

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

Writer: Bill Finger
Penciller: Bob Kane
Inker: Jerry Robinson

Reprinted In:
Batman Archives Vol. 2 HC (1991)
Batman Chronicles Vol. 4 TPB (2007)
Batman:The Golden Age Omnibus Vol. 1 HC (2016)
Batman:The Golden Age Vol. 2 TPB (2017)

Feature Character(s)

• Batman (last appearance in Detective Comics #50; next appearance in Batman #5)

Supporting Character(s)

• Robin (last appearance in Detective Comics #50; next appearance in Batman #5)

Villain(s)

• Mindy and his men (Joe and Charlie named; racketeers; no further appearances)

Other Character(s)

• Colonel Dawes (a carnival owner; no further appearances)
• A night watchman (no further appearances)

Synopsis:
Bruce Wayne and Dick Grayson attend a carnival, but Bruce notices that there are slot machines set-up. He talks to the owner, Colonel Dawes, an old friend, but finds an imposter instead. Batman and Robin investigate, exposing a gang of racketeers who have taken over the carnival. The Dynamic Duo free the real Dawes, then chase the gang around the carnival until everyone is apprehended.