Title: Doom of the Star Diamond
Featuring: Justice League of America
Synopsis: Carthan, banished from his homeworld Dryanna to Earth by his ruler Xandor, attempts to contact the Justice League for help but cannot do so directly. He activates three machines of destruction that hold him to Earth and takes Green Arrow hostage, hoping that the Justice League can deactivate the machines and free him.
Character Appearances: The Flash [Barry Allen]; Aquaman; Batman; Martian Manhunter; Wonder Woman; Green Lantern [Hal Jordan]; Superman; Snapper Carr; Green Arrow [Oliver Queen] (joins); Carthan (villain); Xandor
Credits: Gardner Fox (Script), Mike Sekowsky (Pencils), Bernard Sachs (Inks), ? (Colors), ? (Letters).