in Weird War Tales (DC, 1971 series) #36 (April 1975) [partial reprint.]
On-sale date from house ad in House of Mystery #226 and copyright registration. On-sale date of May 28 in Comic Reader #106.
Originally written as an "The Adventurers' Club" story for Adventure Comics ca. #430. Part I (7 pages), Part II (7 pages), and Part III (6.5 pages). Set on an island in the Pacific Ocean during World War II.
Letters from Craig Ledbetter, Robert Dans, Sam Franklin, Tom Reynolds.