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

Issue Details

Issue	#151
Published	August 1965
Cover Price	0.12 USD
Pages	36
Editing	Mort Weisinger; E. Nelson Bridwell (Assistant editor)

Cover Details - "The Infinite Evolutions of Superman and Batman"

Characters	Superman; Batman
Genre	superhero
Pencils	Cary Bates (design); Curt Swan
Inks	George Klein
Notes	Robin does not appear.

8 page Superman and Batman story "Part I- The Infinite Evolutions of Batman and Superman"

Characters	Lois Lane; Jimmy Olsen; Superman robot; Perry White; Ral-Than (introduction, flashback); Kryptonite; Krypto; Batcave; Batman; Superman
Synopsis	Batman uses a Kryptonian evolution machine to evolve himself but becomes jealous of Superman and turns him into a caveman.
Genre	superhero
Script	Cary Bates (plot), Edmond Hamilton (script)
Pencils	Curt Swan
Inks	Sheldon Moldoff
Notes	credits confirmed by Cary Bates

Half page Super Turtle filler "I've Got to Keep In Trim"

Genre	superhero; funny animals
Script	Henry Boltinoff (signed)
Pencils	Henry Boltinoff (signed)
Inks	Henry Boltinoff (signed)
Letters	Henry Boltinoff

Half page Superman and Batman text article "Time Trips of the Terrific Trio"

Script	E. Nelson Bridwell ?
Letters	typeset

8 page Superman and Batman story "Part II- the Caveman Superman versus the Future Batman"

Characters	Robin; Lois Lane; Krypto; Superman; Batman
Synopsis	Caveman Superman chases Batman into the future and then takes him to prehistoric times.
Genre	superhero
Script	Cary Bates (plot); Ed Hamilton (script)
Pencils	Curt Swan
Inks	Sheldon Moldoff

7 page Congorilla story "Congorilla's Last Stand"

Characters	Janu the Jungle Boy; Congo Bill [Congorilla]
Synopsis	Congo Bill runs berserk when he accidentally rubs his ring and switches places with Congorilla while in the middle of a town.
Genre	superhero; jungle
Script	Robert Bernstein
Pencils	Howard Sherman
Inks	Howard Sherman
Notes	Surprise Feature
Reprinted	from Action Comics (DC, 1938 series) #261 (February 1960)