Comic Title: Detective Comics #316
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: June 1963
On Sale Date: April 25, 1963 Newsstand Date April 25, 1963
Source: House Ad, Batman #156, Page 20

Copyright Date April 25, 1963
Source: Library of Congress, Periodicals 1963

Frequency: Monthly
Cover Price: $0.12
Page Count: 32
Editor: Jack Schiff

Title: "Double Batman Vs. Double X"
Pages: 13

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

Penciller: Sheldon Moldoff
Inker: Charles Paris

Feature Character(s)

• Batman (last appearance in World's Finest Comics #134; next appearance in Justice League of America #20)

Supporting Character(s)

• Robin (last appearance in World's Finest Comics #134; next appearance in Detective Comics #317)
• Vicki Vale (last appearance in Batman #155; next appearance in Batman #157)

Villain(s)

• Dr. X and Dr. Double X (last appearance in Detective Comics #261; next appearance in World's Finest Comics #276)

Other Character(s)

• Double Batman (an energy duplicate of Batman; no further appearances)

Synopsis:
Dr. X escapes from Happydale Sanitarium and regains his memory. Using his special machine he recreates an energy duplicate called Dr. Double X. Batman and Robin locate the machine, and Batman uses it to create his own energy duplicate, Double Batman, to battle Dr. Double X. When Dr. X tries to destroy Batman’s generator, Robin follows him back to his hide-out and summons Batman. Together with Double Batman, the Dynamic Duo defeat Dr. X and destroy his machines.