Rating: 
Summary: Great intro to Java enterprise technologies
Review: First off, let me say that I was a pre-publication reviewer for this book. I think this book is a great introduction to enterprise Java technologies. The first few chapters are great for managers trying to learn what exactly EJB can provide to businesses today. The rest of the book shows programmers how to do this and related technologies that mesh well with EJB in an enterprise solution. It's well written with plenty of examples and sidebars that explain EJB flaws and implementation details. For the amount of data provided, this book is a steal.
Rating:
Summary: The BEST book on EJB available.
Review: Of the few books out there on EJB, this is by far the best. The author provides numerous examples and explains EJB "from the ground up", introducing the material in stages which build on each other in logical fashion. He has also included several very useful appendices. My first encounter with EJB literature was with O'Riely's "Enterprise JavaBeans" which I found dreadful. The two simply cannot be compared since Ed Roman's book is in a different league. This book gets "down and dirty" and avoids all the useless abstraction and double talk which in so many other texts is used to "beef up" a weak technical presentation. I would recommend this book to anyone, from the rock bottom beginner to the experianced user!
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Summary: The most complete reference available
Review: Getting started building EJB applications can be a daunting experience. EJB leverages so many complex concepts and APIs that it's difficult to know where to begin. Mastering EJB by Ed Roman gives you all the help you need to get up and running quickly writing your own applications. The book is extremely thorough yet is clearly written and easy to follow. The only assumption the author makes is that the reader is familiar with Java. The book will teach you the rest. No stone is left unturned in explaining this large and complex topic. The examples are easy to follow, and offer a wealth of tips and techniques for building real-world applications.Bottom line, if you want to learn EJB, then this is the book you need.
Rating: 
Summary: Good, but beware, it is written for EJB 1.0 not EJB 1.1
Review: I was really hoping this book would be cover to cover EJB 1.1--it however covered EJB 1.0. There was an appendix on EJB 1.1, but I expected more since the book billed itself as a book about the Java 2 Enterprise Edition. Overall, though, it is a well rounded book that really covers the guts of Enterprise Java Beans well.
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Summary: A clear and complete picture of the EJB/J2EE technology
Review: I was a pre-publication reviewer for Ed Roman's EJB/J2EE book. During the review process, I also passed the book on to our in-house staff (Theory Center's engineers and consultants). They came back with enthusiasms over the new EJB/J2EE technology because finally there is a book that clearly shows the complete picture. Combining with real life source code examples and coding patterns, this book helped accelerate our training process. We use it ourselves and with our client training engagements. I believe you will also benefit from it.
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