Black and White Wednesday: "The Magick-Man's Last Gasp Purple Light Show!" by Moench and Ploog

What it is, Groove-ophiles! We're going ape again today with Planet of the Apes #13 (August 1975) and "The Magick-Man's Last Gasp Purple Light Show!" by Doug Moench and Mike Ploog! If you think the title's a doozy, wait'll you read the story underneath it...