Invincible 9 Out of This World (Paperback)
|Author: Robert (CRT)/ Walker Kirkman||Illustrator: Ryan Ottley||Created By: Robert Kirkman Cory Walker|
|"Originally published in single magazine form as Invincible #42-47"--Indicia.|
From the Publisher:
Allen the Alien returns to Earth to gather information from Mark about his father, the Viltrumite Traitor, meanwhile, the Viltrumites come to Earth to check up on Mark's progress as the reluctant Viltrumite Agent of Earth. Original.