COLLECTS INVINCIBLE #9-13!Mark Grayson is just like everyone else his age, except that his father is the most powerful superhero on the planet. And now he's begun to inherit his father's powers. It all sounds okay at first, but how do you follow in your father's footsteps when you know you will never live up to his standards? THIS ISSUE: The Guardians of the Globe are dead. The super-hero community is a buzz with the who, what, when, where, why and how. Unbeknownst to him, Invincible is at the center of the most dramatic event to hit the superhero community in decades. If you've been waiting for the trade, here it is! Don't miss out a second time on the series ENTERTAINMENT WEEKLY gave an 'A-.'Series DescriptionMark Grayson is teenage superhero Invincible. He was a normal high school senior with a normal part-time job and otherwise normal life, except his father Nolan is the superhero Omni-Man, the most powerful superhero on the planet. At the age of 17, Mark begins to display superpowers, which come from his father being a member of the Viltrumite race, who, according to Nolan, pioneer the galaxy on a mission of benevolence and enlightenment. As Invincible, Mark begins working as a superhero, with his father acting as his mentor, and meeting other heroes. Then, superheroes around the world begin to die.