Martian Manhunter #9 (of 12) Var Ed

In order for Jonn and Diane to uncover all of Charnns deadly secrets, Jonn 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 Charnns head and his past? And is it too late to save Ashley Addams?