Charlton, 1956 Series
 
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #1
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #2
Issue 2
January 1957
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #3
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #4
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #5
Issue 5
October 1957
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #6
Issue 6
December 1957
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #7
Issue 7
February 1958
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #8
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #9
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #10
Issue 10
November 1958
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #11
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #12
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #13
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #14
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #15
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #16
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #17
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #18
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #19
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #20
Issue 20
September 1960
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #21
Issue 21
November 1960
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #22
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #23
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #24
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #25
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #26
Issue 26
September 1961
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #27
Issue 27
November 1961
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #28
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #29
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #30
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #31
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #32
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #33
Issue 33
December 1962
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #34
Issue 34
February 1963
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #35
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #36
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #37
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #38
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #39
Issue 39
December 1963
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #40
Issue 40
February 1964
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #41
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #42
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #43
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #44
Issue 44
December 1964
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #45
Issue 45
February 1965
Add/replace cover
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #46
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #47
Cover for Mysteries of Unexplored Worlds (Charlton, 1956 series) #48
Issue 48
September 1965
Add/replace cover