Like most people who bought this book, I was mostly drawn to it because it was pretty cheap. That, and I am also interested in the subject. I did increase my reading wpm from about 260 to about 550. The crux of this though is trying to maintain a high level of comprehension. I admit, I do need more practice.As far as "Seven Day" in the title, the book has absolutely nothing to do with 7 days. The author just emphasizes that you will see results over time (as with anything you practice consistently). Also, the vertical reading technique, for the most part, makes little to no sense, and there aren't near enough exercises to see if this works.To end on a positive note, this is still a very intersting book, and for six bucks, I think its worth it. ...