Holyoke, Massachusetts: Blue Ribbon Magazines, 1939.
Softcover. Magazine. Small quarto. 130pp. Perfectbound in wrappers. Very good with the yapped edge trimmed, chipping to front and rear covers and a tide mark to the upper page edges. Short-lived sci-fi pulp with contributions from Edmond Hamilton (as Robert Castle), Earl Binder and Otto Binder (as John Coleridge), John Russell Fearn (as Dom Passante), Manly Wade Wellman, Henry Kuttner (as Paul Edmonds), and Thos. S. Gardner.