Adventure Comics 347, Aug 1966 comics.org
Shooter's Credit: writer
Story Title: The Traitor's Triumph (part 2 of 2)
Publisher: DC
Reading Status: required
Script: Jim Shooter
Pencils: Jim Shooter, Curt Swan
Inks: George Klein
Colors: unknown
Letters: Milton Snapinn
Synopsis: The Legion protect Earth from a Khundian invasion and discover one of their new members is a traitor.
Characters: Chameleon Boy, Cosmic Boy, Light Lass, Lightning Lad, Phantom Girl, Shrinking Violet, Superboy, Ferro Lad, Karate Kid, Nemesis Kid, Princess Projectra, Khunds
Places: Legion Clubhouse, Ceylon, Alaska, Tierra Del Fuego
Things: Electro Towers
Cliffhanger: All of the defense towers are sabotaged, and the Legionnaires race to prevent Karate Kid from destroying the Legion's arsenal of weapons.
Conclusion: The Legion find Karate Kid at the destroyed arsenal. Nemesis Kid appears and needlessly confesses to the sabotage. The Khunds attack but are destroyed by a electro tower that Superboy hid because he suspected treachery. The remaining fleet is defeated by the Legion.
Notes: Shooter's writing credit obtained from comics.org.