Comic Title: World's Finest Comics #101
Publisher: DC (National Comics Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: May 1959
On Sale Date: March 3, 1959 Copyright Date March 3, 1959
Source: Library of Congress, Periodicals 1959

Frequency: Monthly, with the exception of January, April, July and October
Cover Price: $0.10
Page Count: 32
Editor: Jack Schiff

Title: "The Menace of the Atom-Master"
Pages: 12

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

Writer: Bill Finger
Artist: Dick Sprang

Reprinted In:
World's Finest Comics #161 (1966)
World's Finest Comics Archives Vol. 2 HC (2002)
Showcase Presents:World's Finest Vol. 1 TPB (2007)
Batman & Superman in World's Finest Comics:The Silver Age Omnibus Vol. 1 HC (2016)
Batman & Superman in World's Finest Comics:The Silver Age Vol. 2 TPB (2018)

Feature Character(s)

• Superman (last appearance in Action Comics #251; next appearance in Superman #129)
• Batman (last appearance in Detective Comics #266; next appearance in Detective Comics #267)

Supporting Character(s)

• Robin (last appearance in Detective Comics #266; next appearance in Detective Comics #267)
• Lois Lane (last appearance in Action Comics #251; next appearance in Superman #129)

Villain(s)

• Atom-Master (first appearance; next appearance in DC Comics Presents #77)
• Several henchmen (no further appearances)

Synopsis:
Gotham City and Metropolis are menaced by illusions of Batman and Superman. The real heroes arrive to stop the panic. Next, the heroes face more illusions which disappear once a crime has been committed and the crooks have escaped.

When the crooks strike again, Batman and Robin realize which crooks are real because the illusions have no shadows. The crooks get away, but Batman analyzes the clues and determines their hide-out’s location.

Superman and the Dynamic Duo arrive, but the creator of the illusion machine, the Atom-Master, traps Batman and forces Superman to leave. Superman does so, but then returns at super-speed, knocking out the Atom-Master. Finally, he uses an illusion of his own to trick the gang into releasing Batman.