Contents: History to Come / essay by John W. Campbell Jr. Universe / Robert A. Heinlein; interior artwork by Hubert Rogers Liar! (Susan Calvin series) / Isaac Asimov; interior artwork by Charles Schneeman Solution Unsatisfactory / Robert A. Heinlein (writing as Anson MacDonald); interior artwork by Frank Kramer In Times to Come / essay by The Editor The Analytical Laboratory: March 1941 / essay by The Editor Jay Score (Jay Score / Marathon series #1) / Eric Frank Russell; interior artwork by Charles Schneeman Fish Story / Vic Phillips and Scott Roberts; interior artwork by Charles Schneeman Subcruiser / Harry Walton; interior artwork by Charles Schneeman Brass Tacks (Astounding, May 1941) / essay by The Editor Letter (Astounding, May 1941) / essay by Chandler Davis (i.e. Chan Davis) The Stolen Dormouse (Part 2 of 2) / L. Sprague de Camp; interior artwork by Hubert Rogers