Are 600 pages going to be able to cover the entire history of such an enormous country? I imagine that that would be barely enough to cover one major dynasty or one particularly eventful period.
Rather good.
Right now, I'm learning about the stark differences between early-Ming and mid-Ming China, and I can't imagine such a short work being able to cover it. And I know that the English-language historiography about China tends to overlook tons of major events like the Han-Xiongnu War:
http://scholars-stage.blogspot.ca/2014/09/what-edward-luttwak-doesnt-know-about.html
http://scholars-stage.blogspot.ca/2014/09/what-edward-luttwak-doesnt-know-about_6.html