It used to be published Bimonthly (#1–2) . The book has 7 issues . The name of the book is Invasion!and it was published by Aardvark-Vanaheim . This book was published in June – December 2004,August 1995 – January 1997,Issue #1 January 1989 . Justice League International,Harbingerare the main characters of the book . It falls in drama (mid-period issues) category . Geoff Johnswrote the book Invasion! . It is a Limited series
Invasion! had less than 16 issues