All exposed water on earth is frozen and two men, both named Marvin X. Marvin, try to reverse the catastrophe, which is successfully reversed.
On-sale date from copyright registration.
- Earth's Frozen Heat-Wave - Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Earth's Frozen Heat Wave! - Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- The Invisible Raiders of Rann! - Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Story in two parts of 5.67 and 8.67 pages.
- D.C. Sweeps A.C.B.A. Awards - Includes pencil sketches of the Academy of Comic Book Artists 1971 Shazam Awards winners from DC and cover reproductions of Green Lantern (DC, 1960 series) #76 and #86.
- The Man Who Stole the Air! - Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- What Happened on Sirius-4? - Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
