• Genre:superhero

• Feature Logo:Justice League of America
• First Line of Dialogue or Text:Hurtling towards collision - destruction with each other...
Universe:DC : mainstream; DC : Earth-Two (Pre-Crisis)

• Batman [Bruce Wayne]

  (mainstream)
• Flash [Barry Allen]

  (mainstream)
• Green Lantern [Hal Jordan]

  (mainstream)
• Hawkman [Katar Hol]

  (mainstream)

• Black Canary [Dinah Drake]

  (Earth-Two (Pre-Crisis))
• Dr. Fate [Kent Nelson]

  (Earth-Two (Pre-Crisis))
• Dr. Mid-Nite [Charles McNider]

  (Earth-Two (Pre-Crisis))
• Sandman [Wesley Dodds]

  (Earth-Two (Pre-Crisis))
• Spectre [Jim Corrigan]

  (Earth-Two (Pre-Crisis))
• Wildcat [Ted Grant]

  (Earth-Two (Pre-Crisis))

• Anti-Matter Man

  (mainstream)

  (villain, first appearance)
• Blockbuster [Mark Desmond]

  (mainstream)

  (villain)
• Enrichetta Negrini

  (mainstream)

  (cameo)
• Ray Palmer

  (mainstream)
• Solomon Grundy [Cyrus Gold]

  (Earth-Two (Pre-Crisis))

  (villain)

Synopsis:

People from Earth-1 and Earth-2 are being inexplicably transferred from one parallel world to the other, including Blockbuster and Solomon Grundy. At the same time, the Spectre discovers that the approach of the Anti-Matter Man is the reason for the transfers and will eventually cause the destruction of both worlds.

Reprints (7)

• in Mighty Comic (K. G. Murray, 1960 series) #57 ([Circa 1966-1968])
• in Justice League of America Archives (DC, 1992 series) #6 ([December] 2000)
• in Crisis on Multiple Earths (DC, 2002 series) #[1] ([September] 2002) [[1]]
• in Showcase Presents: Justice League of America (DC, 2005 series) #3 (2007 [February 2008])
• in Justice League of America: The Silver Age Omnibus (DC, 2016 series) #2 ([August] 2016)
• in Crisis on Multiple Earths (DC, 2021 series) #1 - Crossing Over (2020 [April 2021])
• in DC Finest: Justice League of America: The Bridge Between Earths (DC, 2024 series) (2024 [January 2025])

Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.

Story across 24 pages in three chapters of 7.67 pages each. Story continues in the following issue.

Letters submitted by Mitch Theophila, Irene Vartanoff, and Alan Trahern.

• Genre:non-fiction
• Job Number:6436

• First Line of Dialogue or Text:Your model trains run sluggish.

hint submitted by Julio Hernandez Jr. of Los Angeles, California

• Genre:advocacy

Synopsis:

Children learn that policemen do more than just catch crooks.

published in cooperation with the National Social Welfare Assembly

Statement of October 1, 1965
Average number of copies sold during preceding 12 months (total paid circulation): 389,285
Actual number sold for issue nearest filing date (total paid circulation): 389.606
Owners: National Periodical Publications, Inc., Estate of Harry Donenfeld, J. S. Liebowitz, P. H. Sampliner, Irwin Donenfeld, S. U. Sampliner, and Sonia Iger, all at 575 Lexington Avenue, New York, N.Y.