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

Issue Details

Issue	#4
Published	August 1963
Cover Price	0.12 USD
Pages	36
Editing	?
Notes	10016-308

Cover Details

Genre	Occult
Pencils	? (painted)
Inks	? (painted)
Colors	? (painted)
Notes	10016-308

1 page Keys of Knowledge filler "Electricity #1 The Ancients and the Early Experimenters"

Genre	fact
Pencils	Tom Gill
Inks	Tom Gill
Letters	type

10 page story "*The Secret of the Key"

Genre	Occult
Pencils	Alex Toth
Inks	Alex Toth
Letters	Ben Oda
Reprinted	in Mystery Comics Digest (Gold Key, 1972 series) #3 (May 1972)

8 page story "Experiment in Purple"

Genre	Occult
Pencils	Mike Sekowsky
Inks	Mike Peppe
Letters	Ben Oda
Reprinted	in Mystery Comics Digest (Gold Key, 1972 series) #3 (May 1972)

4 page story "The Captive"

Genre	Occult
Pencils	Alex Toth
Inks	Alex Toth
Letters	Ben Oda
Reprinted	in Twilight Zone (Gold Key, 1962 series) #25 (April 1968); in Mystery Comics Digest (Gold Key, 1972 series) #12 (July 1973); in Mystery Comics Digest (Gold Key, 1972 series) #21 (January 1975)

9 page story "Ordeal of Bluebird 3"

Genre	Occult
Pencils	Mike Sekowsky
Inks	Mike Peppe
Letters	Ben Oda
Reprinted	in Mystery Comics Digest (Gold Key, 1972 series) #3 (May 1972)

1 page text story "Trail of Tears"

Genre	Occult
Pencils	Mel Crawford(?)
Inks	Mel Crawford(?)
Notes	text story

1 page Keys of Knowledge filler "Electricity #2 Lightning Conductors"

Genre	fact
Pencils	Tom Gill
Inks	Tom Gill
Letters	type

1 page illustration "Front Cover Reprint"

Genre	Occult
Pencils	? (painted)
Inks	? (painted)
Colors	? (painted)
Notes	Reprint of the front cover without logo or lettering.