It's Not How Good You Are, It's How Good You Want to Be: The world's best selling book
I saw a friend reading this and the large font size appealed to me. Oh look, I thought, I can read a book in minutes instead of hours, how fantastic! What I found was a motivational book with clever typography that suggests that goal setting and grit is necessary to get stuff done. I agree! In line with The War of Art, but with an advertising twist.