The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Third Series, Vol. 1, Part 2, Nos. 1&2, Periodicals, 1946-1947. According to the Statement of Ownership, there's no Editor.
It was a precious metal Mysta sought...invaluable for...
Genre
science fiction
Characters
Mysta of the Moon; Guest Stars: Bron II; Lorin (introduction, death); Ohma and the Swampmen of Venus (introduction); Rekor (villain, introduction, death)
Synopsis
Mysta and Bron head for the Swamps of Venus to obtain a new supply of Platine, a metal needed to power the Vita-Electroid they have created.