Crisis On Infinite Earths (1985) #9C Facsimile Edition

GUY GARDNER IN ACTION! 

The brief pause after the climactic destruction of so many worlds is interrupted by a new threat: an assembled team of villains led by Lex Luthor and Brainiac coordinate plans to destroy the remaining Earths if their leaders don't capitulate. Meanwhile, on Oa, Guy Gardner accepts a ring of power and a new mission as the Guardians' agent of vengeance.

A full facsimile reprint from the series that forever changed the DC Universe.