Mysteries of Unexplored Worlds (1956–1965)
48 issues · August 1956 - September 1965
Continued by: Son of Vulcan
Issues
- #1· August 1956
- #2· January 1957
- #3· April 1957
- #4· July 1957
- #5· October 1957
- #6· December 1957
- #7· February 1958
- #8· June 1958
- #9· August 1958
- #10· November 1958
- #11· January 1959
- #12· April 1959
- #13· June 1959
- #14· August 1959
- #15· October 1959
- #16· January 1960
- #17· March 1960
- #18· May 1960
- #19· July 1960
- #20· September 1960
- #21· November 1960
- #22· January 1960 [January 1961]
- #23· March 1961
- #24· May 1961
- #25· July 1961
- #26· September 1961
- #27· November 1961
- #28· January 1962
- #29· April 1962
- #30· June 1962
- #31· August 1962
- #32· October 1962
- #33· December 1962
- #34· February 1963
- #35· April 1963
- #36· June 1963
- #37· August 1963
- #38· October 1963
- #39· December 1963
- #40· February 1964
- #41· May 1964
- #42· July 1964
- #43· October 1964
- #44· December 1964
- #45· February 1965
- #46· May 1965
- #47· July 1965
- #48· September 1965