The book has 50 issues . Vertigo published ,The book named Invasion! . It falls in post-apocalyptic category . It is a Limited series . This book was published in Issue #2 February 1989,August 2011 – September 2013,March 2008 - present . Ronnie Raymondare the main characters of the book . The book was written by Bill Mantlo . It used to be published Bi-monthly
Invasion! was published by Vertigo