Pulp Parade #304: The Twins Pulp Parade #303: Save me from the tentacle ape, spaceman! Pulp Parade #305: Troll attack This is Thrilling Wonder Stories for June 1948, cover by Earle Bergey. The ISFDB entry for this issue is here. I found this version of the cover at Pulp Covers. You can download and read this issue from the Internet Archive.