Title: Earth's Frozen Heat Wave
Synopsis: All exposed water on earth is frozen and two men, both named Marvin X. Marvin, try to reverse the catastrophy, which is successfully reversed.
Character Appearances: Marvin X. Marvin [farmer]; Professor Marvin X. Marvin; Dr. Adams
Credits: France Herron (Script), Murphy Anderson (signed) (Pencils), Murphy Anderson (signed) (Inks), ? (Colors), ? (Letters).
Title: Special Christmas Quiz: Christmas In Many Lands
Credits: Jack Schiff (Script), Ruben Moriera (Pencils), Ruben Moriera (Inks), ? (Colors), Ira Schnapp (Letters).
Title: No Yesterday--No Tomorrow--No Nothing
Synopsis: Two time-traveling scientists destroy a cosmic cloud before it destroys life on earth, using equipment and knowledge gained in 4964 A.D.
Character Appearances: Dennis; Harry; Dr. Rickson
Credits: France Herron (Script), Sid Greene (Pencils), Sid Greene (Inks), ? (Colors), ? (Letters).
Title: Amazing Ratios!
Synopsis: Science information on various natural ratios accompanied by illustrations.
Credits: Julius Schwartz (Script), Morris Waldinger (Pencils), Tommy Nicolosi (Inks), ? (Colors), ? (Letters).
Title: Space Museum of the Dead World
Featuring: Space Museum
Synopsis: Eric Horstman uses weapons from a Space Museum on the dead world of Vipsania to defeat Krakkarans bent on destroying all human life.
Character Appearances: Howard Parker; Tommy Parker; Eric Horstman; Krakkaran army personnel (death); Vipsanian bystanders (death)
Credits: Gardner Fox (Script), Carmine Infantino (signed as Rouge Grant) (Pencils), Carmine Infantino (signed as Rouge Grant) (Inks), ? (Colors), ? (Letters).