#673: Detective Comics (1937) #31 [H Story]
"The Mammoth Mystery"
![Detective Comics (1937) #31 [H Story]](/images/sites/dcro/covers/detective_comics_v1_31.jpg)
Title: Detective Comics (1937)
Editor:
Vincent Sullivan
Artist:
Fred B. Guardineer
Cover Artist:
Bob Kane
Cover Date: September 1939
Release Date: August 1939
Pages: 6
Times Read: 137
Times Rated: 93
Universe:
Earth-Two
![Detective Comics (1937) #32 [A Story]](/images/sites/dcro/covers/detective_comics_v1_32.jpg)
Issue Blurb
Speed goes undercover at a circus to solve a murder, but the case gets complicated when he sees the murdered man alive!
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