A Ziff-Davis magazine ad that ran on the back cover of Dream World #2 and #3 in 1957. Left to right; top row: Sports Cars Illustrated (June 1956) Auto Mechanics (Aug. 1956), 1956 Color Photography Annual, 1956 Hi-Fi Annual & Audio Handbook, Color Television (1957 Edition), 1957 Edition Hi-Fi Guide and Yearbook, Electronic Experimenter’s Handbook, Pen Pals (First Issue, Feb/Mar 1957), Popular Boating (Jan. 1957), and Dream World #1 (Feb. 1957).

Bottom row: Popular Photography (Aug. 1956), Radio & Television News (Aug. 1956), Flying (Aug. 1956), Popular Electronics (Aug. 1956), Modern Bride, 1957 Photography Annual, 1956 Photography Directory & Buying Guide, Amazing Stories (Aug. 1956), Fantastic Science Fiction (June 1956), and G.I. Joe #44 (April 1956).