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

Issue Details

Issue	#138
Published	June 1971
Frequency	Monthly with the exception of Feb., May, and Nov.
Cover Price	0.15 USD
Pages	36
Editing	Jack Kirby; E. Nelson Bridwell

Cover Details - "The Big Boom"

Characters	Jimmy Olsen; Superman [Clark Kent]
Genre	superhero
Pencils	Jack Kirby
Inks	Neal Adams
Notes	Cover art includes photo elements.
Reprinted	in Jimmy Olsen: Adventures by Jack Kirby (DC, 2003 series) #nn [1]; in Jack Kirby's Fourth World Omnibus (DC, 2007 series) #1 ([June] 2007)

23 page Jimmy Olsen story "The Big Boom!!"

Characters	Jimmy Olsen; Superman; The Guardian; the original Newsboy Legion [Big Words; Gabby; Tommy; Flipper-Dipper; Scrapper]; Newsboy Legion 2 [Big Words; Gabby, Jr.; Tommy; Flipper-Dipper; Scrapper, Jr.]; Perry White; Terry Dean; Simyan; Mokkari; Morgan Edge; Laura Conway; Intergang; D.N.Alien; Bernard
Synopsis	The cast escapes from the clone from the previous story and prevents Simyan and Mokkari from unleashing more clones on The Project.
Genre	superhero
Script	Jack Kirby
Pencils	Jack Kirby; Murphy Anderson (some Superman, Jimmy Olsen, and Perry White heads)
Inks	Vince Colletta
Reprinted	in Jimmy Olsen: Adventures by Jack Kirby (DC, 2003 series) #nn [1]; in Jack Kirby's Fourth World Omnibus (DC, 2007 series) #1 ([June] 2007)

1 page Jimmy Olsen's Pen-Pals letters page

Script	E. Nelson Bridwell
Letters	typeset
Notes	Includes a letter from Bob Rozakis.