Invincible Vol. 4: Head of the Class

After the traumatic events of Volume 3, Mark Grayson (AKA Invincible) is left to pick up the pieces and try to continue on with some sort of life. His mother is a wreck, his friends don't understand and the super-villains of the world just want to beat him up. Mark has a lot on his shoulders and graduation is just around the corner.