“THE CHALLENGE OF THE CRYSTAL CONQUERORS!” Adam Strange arrives on Rann to find it overtaken by crystal-like beings called the Karalyx. Unfortunately for the inhabitants of Rann, their weapons appear to be useless against these crystal beings! Plus, “THE LAST SPACE-FEUD.”

Written By: Gardner Fox Pencils: Carmine Infantino Sid Greene Inks: Joe Giella Sid Greene Cover By: Carmine Infantino Murphy Anderson