Info édition : Contient : "Last of the Tree People!" from Adventures into the Unknown (American Comics Group, 1948 series) #105 (February 1959), "Beyond the Veil of Time" from Adventures into the Unknown (American Comics Group, 1948 series) #105 (February 1959), "Voyage Into Nowhere!" from Adventures into the Unknown (American Comics Group, 1948 series) #104 (January 1959), "Muscle-Man Melvin!" from Adventures into the Unknown (American Comics Group, 1948 series) #99 (August 1958), "The Captain's Secret" from Adventures into the Unknown (American Comics Group, 1948 series) #103 (December 1958), "Hand of Providence!" from Adventures into the Unknown (American Comics Group, 1948 series) #105 (February 1959), "Dream World?" from Adventures into the Unknown (American Comics Group, 1948 series) #101 (October 1958), "A Storm of Meteors!" from Forbidden Worlds (American Comics Group, 1951 series) #49 (December 1956), "Wash-Out!" from Adventures into the Unknown (American Comics Group, 1948 series) #93 (February 1958), "Pipe Dream!" from Adventures into the Unknown (American Comics Group, 1948 series) #93 (February 1958) et "No. 2: Strange Centaur" from Forbidden Worlds (American Comics Group, 1951 series) #49 (December 1956)