16 - Hunters Out of Space by Joseph E. Kelleam

In the gripping tale originally featured in the May 1960 issue of Amazing Science Fiction Stories, Jack Odin returns to the enigmatic world of Opal‚Aîonly to discover it in shambles. With many of his allies lost and the land submerged, he faces insurmountable challenges as he embarks on a daring quest to rescue the woman he vowed to protect, now captured by the sinister Grim Hagen and taken to the stars. The stakes are high, and Jack must rally whatever strength he has left to save her. (Summary by Elliott Miller)