- Script:
- Gardner Fox
- Pencils:
- Mike Sekowsky
- Inks:
- Sid Greene
- Colors:
- ?
- Letters:
- Gaspar Saladino
- Genre:
- superhero
- Characters:
- Batman; The Flash [Barry Allen]; Green Lantern [Hal Jordan]; Hawkman [Katar Hol]; The Atom [Ray Palmer] (all as the Justice League of America/JLA); Black Canary; Dr. Fate; Dr. Mid-Nite; Sandman [Wesley Dodds]; Spectre [Jim Corrigan]; Wildcat [Ted Grant] (all as the Justice Society of America/JSA, guest stars); Enrichetta Negrini (cameo); Anti-Matter Man (villain); Solomon Grundy (villain); Blockbuster (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.
- Reprinted:
- in Justice League of America Archives, The (DC, 1992 series) #6
- in Crisis on Multiple Earths (DC, 2002 series) #nn [1]
- in Mighty Comic (K. G. Murray, 1960 series) #57
Continues in following issue. Lettering credit from reprint in JLA Archives. Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2007).
- Script:
- Jack Schiff
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- Ira Schnapp
- Synopsis:
- Children learn that policemen do more than just catch crooks.
Credits confirmed by Bob Bailey, Bob Hughes and Gene Reed.