An X-Man joins the Brotherhood! ? THE STORY: Betrayed by a persecuting humanity?and in a state of emotional pain?one of Professor X's students has turned his (or her) back on the X-Men... and joins Magneto's Brotherhood! How will the remaining team members deal with this betrayal?especially if it tips the balance of power in Magneto's favor? ? THE BUZZ: "Mark Millar does a stellar job of injecting the attitude of his work on The Authority into the X-Men mythos, and the results are simply spectacular!"