Script:	Mike Friedrich (credited)
Pencils:	Dick Dillin (credited)
Inks:	Joe Giella (credited)
Colors:	?
Letters:	John Costanza

• Genre:superhero
• Job Number:S-806

Justice League of America [Superman [Clark Kent; Kal-El]; Hawkman [Katar Hol]; Green Lantern [Hal Jordan]; The Atom [Ray Palmer]; The Flash [Barry Allen]; Batman [Bruce Wayne]; Black Canary [Dinah Lance]; Green Arrow [Oliver Queen]] (of Earth-1); Justice Society of America [Superman [Clark Kent; Kal-L]; The Flash [Jay Garrick]; Hawkman [Carter Hall]; The Atom [Al Pratt]; Robin [Dick Grayson]; Green Lantern [Alan Scott]] (of Earth-2); Robin [Dick Grayson] (of Earth-1) (guest star); S-Kyr; A-Rym; Teppy; E-Hes; Solomon Grundy [Cyrus Gold] (villain)

Synopsis:

Three aliens are out on a joyride alongside their symbiotic pets when they lose control of their ship, resulting in the alien A-Rym being separated from his pet as they travel through the dimensional barrier separating Earths 1 and 2. As the JSA face off against A-Rym, he defeats them, as a result of the adult Robin charging in headstrong. Meanwhile, on Earth-1, as Batman leaves the JLA for another case he's working on, young college-aged Robin faces off alongside the team vs. Teppy, A-Rym's symbiotic pet, with the same actions and consequences. To be continued...

Reprints (9)

• in Baticomic (Editorial Novaro, 1968 series) #57
• in All Favourites Comic (K. G. Murray, 1960 series) #96 ([May 1973])
• in Crisis on Multiple Earths (DC, 2002 series) #3 ([September] 2004)
• in Showcase Presents: Robin the Boy Wonder (DC, 2008 series) #1 ([March] 2008)
• in Showcase Presents: Justice League of America (DC, 2005 series) #5 ([April] 2011)
• in Justice League of America Archives (DC, 1992 series) #10 ([April] 2012)
• in Justice League of America: The Bronze Age Omnibus (DC, 2017 series) #1 ([May] 2017)
• in Justice League of America: The Last Survivors of Earth (DC, 2019 series) ([October] 2019)
• in Crisis on Multiple Earths (DC, 2021 series) #2 - Crisis Crossed (2021 [March 2022])

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

With the JSA, continued in #92. First and only time both Robins would team up alongside the JLA/JSA teams.

Script:	Robert Kanigher
Pencils:	Carmine Infantino
Inks:	Joe Giella
Colors:	?
Letters:	Gaspar Saladino

• Genre:science fiction; superhero
• Job Number:S-870

• Keywords:Statue of Liberty; time travel

Knights of the Galaxy [Commander Artho; Ora; Lyle]; The Master of Doom (villain)

Synopsis:

The Master of Doom timeports Lyle back to the 20th century.

Reprints (1)

• from Mystery in Space (DC, 1951 series) #6 (February-March 1952)

Script:	Julius Schwartz
Pencils:	Mike Sekowsky ? (logo illustration)
Inks:	Murphy Anderson (logo illustration)
Colors:	? (logo illustration)
Letters:	typeset

• Job Number:S-853

Letters from readers - Scott Gibson, Roger Schoolcraft and Allan Ferguson - and responses from Julius Schwartz.

Script:	Gardner Fox
Pencils:	Dick Dillin
Inks:	Sid Greene
Colors:	?
Letters:	Ray Holloway

• Genre:superhero

Hourman [Rex Tyler]; Tricky Dick Arnold (villain)

Synopsis:

Tricky Dick's scientific weapon nearly kills Hourman when it reacts with his Miraclo energy, so Hourman has to find a cure within an hour or he will die.

Reprints (1)

• from The Spectre (DC, 1967 series) #7 (November-December 1968)

Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Letters credit from Mark Evanier for the original printing, via the GCD Error Tracker.