Martian Manhunter #9 (Of 12) NM

In order for J'onn and Diane to uncover all of Charnn's deadly secrets, J'onn will have to perform a Martian thoughtopsy, an extreme telepathic procedure that he might not come back from! What secrets, traps and deadly obstacles exist in Charnn's head and his past? And is it too late to save Ashley Addams?