Crisis on Infinite Earths 40th Anniversary Retrospective, celebrating the Marv Wolfman/George Pérez magnum opus! A pre-Crisis tour of DC's multiple Earths, an analysis of Crisis and its crossovers, the Crisis Death List, post-Crisis DC retro projects, a guest editorial by Paul Levitz, and more! Featuring Mike W. Barr, Steve Englehart, Robert Greenberger, Paul Levitz, Elliot S! Maggin, Doug Moench, Jerry Ordway, Roy Thomas, Mark Waid, and more! Re-presenting the cover of Crisis on Infinite Earths Index #1 by Pérez. Edited by Roger Ash and Michael Eury.