EXPEXPEXPEXPEPXDPPXPXPCPXPCPXPCPXPXPXPXPXPPXXPPXXPPXPXPXXPPXXPXPXPXPXPXPXPXPXPXPXPXPXPXPPXPXPXCPCPPCCPXPCPCPCPCPXPCPCPXPCPCPCPCPCPCPCPCPCPCPCP. And you thought this will be an exp review. not really, for what I can see, the author is still new at writing. however, there are still some points that are shining. try this book if you have the time.