Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue #29
Published August 1964
Frequency eight times a year
Cover Price 0.12
Pages 36
Editing Julius Schwartz
Notes Lettering credit from reprint in JLA Archives.

Cover Details - "Crisis on Earth-Three!"

Characters Dr. Fate; Starman; Black Canary; Hawkmam (Earth 2); Dr. Mid-Nite; Wonder Woman; Batman; The Flash; Superman; Green Lantern
Genre superhero
Pencils Mike Sekowsky
Inks Murphy Anderson
Letters Ira Schnapp
Notes Lettering credit from reprint in JLA Archives.
Reprinted in Justice League of America Archives, The (DC, 1992 series) #4; in Crisis on Multiple Earths (DC, 2002 series) #nn [1]; in Showcase Presents: Justice League of America (DC, 2005 series) #2

24 page Justice League of America story "Crisis on Earth-Three"

Characters Justice Society of America [Hawkman [Carter Hall]; Black Canary [Dinah Drake Lance]; Dr. Fate [Kent Nelson; Nabu]; Dr. Mid-Nite [Charles McNider]; Starman [Ted Knight]; The Flash [Jay Garrick]; Atom [Al Pratt]; Green Lantern [Alan Scott] (all Earth-2)]; Crime Syndicate of America [Power Ring; Johnny Quick; Owlman; Superwoman; Ultraman (all Earth-3)(intros)]; Justice League of America [The Flash [Barry Allen]; Wonder Woman [Diana Prince]]; Superman [Clark Kent; Kal-El]; Batman; Green Lantern [Hal Jordan]; Aquaman; Martian Manhunter [J'onn J'onzz]; Snapper Carr (mascot) (all Earth-1)]; Christopher Columbus (Earth-3; cameo); Abraham Lincoln (Earth-3; cameo); President John Wilkes Booth (Earth-3; cameo); George Washington (Earth-3; cameo); General Cornwallis (Earth-3; cameo)
Synopsis The Crime Syndicate is so bored of life on their Earth as supreme villains, designated as Earth-3, that they come to the JLA's Earth for a new challenge after Ultraman accidentally discovers it when exposed to Green Kryptonite (which gives him a new power with every exposure to it). Just as it looks like the JLA has the upper hand, the Crime Syndicate teleports them to Earth-3, where they have the advantage. To secure a level battlefield the Crime Syndicate plans to go to the Earth-2 and eliminate the JSA. To be continued...
Genre superhero
Script Gardner Fox
Pencils Mike Sekowsky
Inks Bernard Sachs
Letters Gaspar Saladino
Notes Lettering credit from reprint in JLA Archives. Story continues in next issue. Brief history of Earth-3 also given in this issue, where history ran a reverse course (e.g.- Columbus, an American discovers England and Europe; The English win their war of independence from America; John Wilkes Booth is U.S. President and assassinated by actor Abraham Lincoln), hence why super-powered persons are evil on this earth. Earth-3 also named this issue, and introduction of Crime Syndicate (first appearances).
Reprinted in Justice League of America (DC, 1960 series) #114 (November-December 1974); in Justice League of America Archives, The (DC, 1992 series) #4; in Crisis on Multiple Earths (DC, 2002 series) #nn [1]; in Showcase Presents: Justice League of America (DC, 2005 series) #2