This is a broad treatment of M-commerce and is aimed at a broad audience of business and technical readers. Usually books of this nature are mediocre because of the trade-offs compromises in scope and content that need to be made to accommodate a wide audience. In the case of the book, though, it isn't the case.
First, the book is organized by (1) Business opportunity, (2) Applications, (3) Technology, (4) Issues and (5) Directory of M-Commerce Applications. The first four sections are both insightful and invaluable. The directory of M-commerce applications, in my opinion, does not add any value to the book because information of this nature changes so rapidly that it's inaccurate before a book is even published.
What I like about the book is the even treatment of opportunities that are inherent in M-commerce, including some insights into why Europe does not have the advantages that normally come from being early adopters (in spite of the pessimists who cite a "two year head start" while ignoring the U.S. leadership in technology implementation when we do get around to it), and the interesting view of WAP (Wireless Application Protocol), which many believe to be just an interim - the author advises to put resources and effort into WAP and make it part of a business strategy if you want to be an M-commerce player.
The survey of technologies and standards are also useful, even if given somewhat superficial treatment. The value is you are exposed to all of the factors and considerations with which to make informed decisions or gain an understanding of the M-commerce landscape. In this respect the applications and technology sections of the book can be viewed as a primer.
Overall, this is an excellent book for learning about M-commerce from business and technical points of view because it provides a context and keen insights in both domains.