// Run coverage
Challengers of the Unknown: 25 available issues between #32–#61. Longest unbroken stretch: 13 issues. Each held issue is linked below.
Coverage of available units only, measured inside the held range — the archive makes no claim about a series’ full published length.
Challengers of the Unknown #45
1965
Challengers of the Unknown #37
1964
Challengers of the Unknown #39
1964
Challengers of the Unknown #44
1965
Challengers of the Unknown #42
1965
Challengers of the Unknown #32
1963
Challengers of the Unknown #57
1967
Challengers of the Unknown #51
1966
Challengers of the Unknown #36
1964
Challengers of the Unknown #41
1965
Challengers of the Unknown #54
1967
Challengers of the Unknown #60
1968
Challengers of the Unknown #56
1967
Challengers of the Unknown #38
1964
Challengers of the Unknown #43
1965
Challengers of the Unknown #40
1964
Challengers of the Unknown #35
1964
Challengers of the Unknown #47
1966
Challengers of the Unknown #52
1966
Challengers of the Unknown #59
1968
Challengers of the Unknown #49
1966
Challengers of the Unknown #58
1967
Challengers of the Unknown #46
1965
Challengers of the Unknown #53
1967