Comic Title: Detective Comics #415
Publisher: DC (National Periodical Publications, Inc.)
Address: 909 Third Avenue, New York, NY
Cover Date: September 1971
On Sale Date: July 29, 1971 Newsstand Date July 29, 1971
Source: House Ad, Detective Comics #414, Page 46

Newsstand Date July 29, 1971
Source: Etcetera, V1 #5

Copyright Date July 29, 1971
Source: Library of Congress, Periodicals 1971

Frequency: Monthly
Cover Price: $0.25
Page Count: 48
Editor: Julius Schwartz

Title: "Challenge of the Consumer Crusader"
Pages: 15

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

Writer: Frank Robbins
Penciller: Bob Brown
Inker: Dick Giordano
Letterer: John Costanza

Reprinted In:
Showcase Presents:Batman Vol. 6 TPB (2016)

Feature Character(s)

• Batman (last appearance in Batman #235; next appearance in Brave & the Bold #98)

Villain(s)

• Joan Wilde and her henchmen (no further appearances)
• Tag Callum and Jo-Jo Weems (hitmen; no further appearances)

Guest Appearance(s)

• Barbara Gordon (last appearance in Detective Comics #415; next appearance in Detective Comics #416)

Other Character(s)

• Tom Carson (a consumer advocate; next appearance in Batman #249)
• Ben Ames (head of Magna Industries; no further appearances)

Synopsis:
Batman saves the life of consumer advocate Tom Carson. Carson believes he was targeted by Magna Industries, the subject of his next consumer report. Batman learns that the head of the company Ben Ames hired the hitmen, but he was the victim of an extortion racket. Batman traces the blackmailer to Carson's product test lab run by Joan Wilde. Batman exposes the extortion scheme perpetrated by Wilde.