Lettering credit from reprint in JLA Archives.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Story is across 24 pages in three chapters of 7.67, 11.67, and 3.67 pages. Story concludes from previous issue.
Letters submitted by Leslie Southwick, Danny Cassidy, John Cantrell, and Irene Vartanoff.
hint submitted by Chip Grimes of Chattanooga, Tennessee