When Marv Wolfman and George Pérez took on the
wild and wooly multiple continuities of the DC Universe 20 years ago, the
created one of the most enduringly popular “event” comics in the
history of superheroes, Crisis On Infinite Earths. Now with fans again
buzzing about a big DC Comics event, Wolfman is revisiting Crisis and
expanding upon it in a new novel from iBooks. Underneath a cover by Pérez
and painter Alex Ross, Wolfman explores both the familiar ground and territory
previously unexplored.