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

Issue Details

Issue	#4
Published	April-May 1970
Frequency	bi-monthly
Cover Price	0.15 USD
Pages	36
Editing	Julius Schwartz

Cover Details - "Riddle of the Vanishing Earthmen!"

Genre	science fiction
Pencils	Murphy Anderson
Inks	Murphy Anderson
Notes	Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007].

6 page story "Riddle of the Vanishing Earthmen!"

Genre	science fiction
Script	Gardner Fox
Pencils	Sid Greene
Inks	Joe Giella
Notes	Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). Cover story.
Reprinted	from Mystery in Space (DC, 1951 series) #32 (June-July 1956)

7 page story "Our Home is in the Stars!"

Genre	science fiction
Script	Gardner Fox
Pencils	Carmine Infantino
Inks	Bernard Sachs
Notes	Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
Reprinted	from Mystery in Space (DC, 1951 series) #65 (February 1961)

1 page Our Strange Universe! filler "The Earth and Moon -- The Sun and all the planets..."

Genre	fact
Reprinted	from ?

1 page letters page "Messages from Beyond"

Script	Julius Schwartz [as Editor]
Letters	Typeset
Notes	Letters of comment from readers Martin Pasko, Gary Kuhlmann and A.G., with replies from Schwartz.

8 page story "The Surprise Package Planet!"

Genre	science fiction
Script	Gardner Fox
Pencils	Murphy Anderson
Inks	Murphy Anderson
Notes	Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
Reprinted	from Mystery in Space (DC, 1951 series) #47 (October 1958)

1 page Giants of the Telescope biography (nonfictional) "Simon Newcomb (1835-1909)"

Genre	biography; fact
Reprinted	from ?

1 page Science Says You're Wrong If You Believe That story "Only human beings have true hands..."

Genre	fact
Reprinted	from ?