Where is Mohler's new book?

Being a brand new preacher, in need of great help, keeps me always on the look out for new, , good resources on the subject of preaching. Just in the last year alone, I was able to, either come across, or to revisit some great materials put out by those who have labored on their own preaching for decades and have much to share. One of these people is brother Al Mohler, who I normally catch at townhall.com for his daily commentary and have seen both preaching and answering questions at conferences. Let me tell you, the man is a wealth of knowledge and wisdom. He, if I remember correctly, mentioned during the T4G '08, having a book on expositional preaching coming out in the fall of 2008. I know it's still summer but I am waiting for this one with great anticipation and I thought that, by now, we would be already hearing about it. In the meantime, let me share with you a few of the resources from which I benefited in the recent past on the subject of preaching.
Steven Lawson's " the 10 how to's of expository preaching.
Steven Lawson's book " The expository genius of John Calvin".
Steven Lawson's " What is expository preaching?".
Crawford Loritts and Ligon Duncan Q&A at the Gospel Coalition workshops
John Piper's " Preaching as worship".
Sermon preparation by Mark Dever
Here is a page of mp3 resources on preaching and ministry at monergism.com where I have found many of these resources.
Hope you enjoy them.