Baffling Mysteries was a comic book series published by Ace from November 1951 to October 1955 with 22 total issues (#5 - #26).
The numbering continued from Indian Braves (Ace Magazines, 1951 series, # 1 - 5).
The numbering then continues in Heroes of the Wild Frontier (Ace Magazines, 1956 series, # 27).