The Complete Invincible Library #4

This fourth volume of The Complete Invincible Library collects issues #48–#59 of Robert Kirkman and Ryan Ottley's acclaimed superhero series. It features the start of the Viltrumite War storyline, as Mark Grayson and his allies take the fight to the Viltrumite homeworld, along with the introduction of new threats and deepening character conflicts. The oversized hardcover format includes covers, sketches, and behind-the-scenes material from the series' run.