New York, NY: Galaxy Publishing Corp. 1952. Galaxy Magazine Reprint. Soft Cover. Very Good. Item #26675
128 pages; "Selected for reprint by the editors of Galaxy Science Fiction Magazine.", Galaxy Novel No. 30 in the series. (From the cover information): "...jet-paced account of the adventures of Federal Agent George Helmfleet Jones. Combining sleuthing genius with the scientific advances of an advanced age, Jones tackles a series of sinister crimes - crimes made more sinister still because the perpetrators also combine genius with astonishing scientific discoveries..." Slight wear to illustrated softcovers; in very good condition.