There's really not much to say here apart from what you most probably already know. This is a reader and as such it does what every reader out there does - offers a variety of texts on a certain topic. You might have already guessed (if you're the sort of person who reads the title of the book that you want to buy) what that topic is. Now, this is not the place for lengthy discussion about every article that has been published within these covers (most of them are reprints or excerpts from other books of the same authors), there are specialized pages out there for that sort of work, so I'll skip that part because I'm a relatively sane person. I'll just put down few remarks which you might find useful. Or not, but hey, you never can tell.
Anyhow, this reader offers good introduction to the field of modern-day comics studies. Texts vary from discussions about the history of the medium, discussions about formal characteristics of the medium, interpretations and in-depth analysis of various works from a variety of theoretical backgrounds. Authors heavily rely on the Scott McCloud's "Understanding Comics" (in a polemic sort of way; some authors are in agreement with McCloud's definitions, some try to either change, adapt or refute them) and though one might argue that editors chose contributions about some of the most well-known comics out there, ignoring the underground movements and comics that do not come from the largest markets in the world, reader actually offers quite a nice overview of various traditions that are currently present and kicking.
Bibliography is quite extensive and every interested scholar will find plenty information if it happens that some of the topics that are discussed here catch his attention. There is a lack of quality reproduction of comics themselves though, which is quite important considering the nature of comics as a primarily visual medium. One can speculate about reasons for this omission (main one probably being the cost of the full-color reproduction which would undoubtedly influence the final price of already expensive product), one might even understand them though one can't fail to notice them and feel a certain regret.
Since comics studies is relatively new academic endeavor this reader should come in handy if you plan to introduce a similar course in your own academic institution or if you're just an independent scholar trying to get a grasp about comics and their place in contemporary Art. Authors of the contributions come from various backgrounds and though some of them read as a fairly conventional fan-made research (types of which one can find all over the internet if one looks for it long enough), majority of them write in familiar academic discourse that reads clearly, is well researched, and well executed.
Overall, this is the title for both the professors and students alike, one that should definitely be a part of your own University library or the private library of your own.