In Brightest Day, In Darkest Knight, Welcome To...THE KNIGHT LIGHT!

To celebrate Free Comic Book Day Brendan sat down with Grant from HALO Certification to find out about the world of grading comic books.

Grant's story is a fascinating one that everyone from the casual to hardcore comic collector will enjoy.

So after you've been to your local comic book store this Free Comic Book Day and you've read all your free books, kick back and enjoy our interview!