Walking Dead Volume 20: All Out War Part 1The biggest storyline in Walking Dead history starts here! It's Rick versus Negan with a little help from everyone else! Collects issues #115 120. The world we knew is gone. The world of commerce and frivolous necessity has been replaced by a world of survival and responsibility. An epidemic of apocalyptic proportions has swept the globe, causing the dead to rise and feed on the living. In a matter of months society has crumbled: no government, no