Cover well worn. January 1953, Howard Browne, Ziff-Davis Publishing Company, 164pp, Pulp. Contents: 3 • The Observatory (Amazing Stories, January 1953) • essay by Paul W. Fairman 6 • Frontiers Beyond the Sun • novella by Rog Phillips [as by Mallory Storm ] 6 • Frontiers Beyond the Sun • interior artwork by Tom Beecham 64 • Luna on the Left • shortstory by Charles Creighton 64 • Luna on the Left • interior artwork by John Fay 76 • The Art of Lapping • essay by Sid Seeman 77 • Earth's First Insect • essay by A. T. Kedzie 77 • "So Shall Ye Reap" • essay by Carter T. Wainwright 78 • Death Beyond the Veil • novella by unknown [as by E. K. Jarvis ] 78 • Death Beyond the Veil • interior artwork by William Slade 122 • Slide-Rule Robots • essay by Sam Dewey 123 • Power from the Sea • essay by June Lurie 123 • Frontiers Unlimited • essay by Sid Overman 124 • The Sorceress • novelette by Rog Phillips 124 • The Sorceress • interior artwork by Tom Beecham