Vol 16, No 4.
Page numbers run 3-274.
The front cover illustrates "Adam Link Saves the World."
Front cover art is credited to "Robert Fuqua"; the artwork shows no signature. Back cover art credited to "Frank R. Paul"; the artwork is signed "Paul."
Interior art is not credited by individual story, but the contents page states "Illustrations by Robert Fuqua; J. Allen St. John; Rod Ruth; Malcolm Smith; Joe Sewell."
"The Observatory," the opening editorial, is attributed to "The Editor" but also has "Rap" at the end.
Story art for "Adam Link Saves the World" on pages 32-33 is signed "R. Fuqua"; that on pages 10-11 shows no signature.
Story art for "Tiger Girl" on pages 48-49 and 68 is signed "St. J." Additional credit from Henry Hardy Heins's A Golden Anniversary Bibliography of Edgar Rice Burroughs.
Story art for "The Perfect Trap" on pages 84-85 is signed "Rod Ruth."
"Get the Hero Out of This Trap" announces a reader contest to write an ending for "The Perfect Trap."
Story art for "The Secret of Lucky Logan" on pages 96-97 is signed "Malcolm Smith."
Story art for "Disciples of Destiny (Part 2 of 2)" on pages 114-115 is signed "Fuqua"; that on page 158 is signed "R Fuqua."
Story art for "Devil Birds of Deimos" on pages 168-169 is signed "R. Fuqua."
Story art for "Treasure on Thunder Moon" on pages 198-199 and 230 is signed "Malcolm Smith."
"Landscapes of Other Worlds: Mars—Planet of War" includes a map of Mars.
"Scientific Mysteries" artwork is signed "Joe C. Sewell."
"Meet the Authors: Robert W. Glueckstein" includes a photo of Glueckstein.
"Correspondence Corner" is a compilation of requests from readers for pen pals, trading partners, etc.
"Discussions" is a letters column.