I bought the book with hopes it would shed some new light on web site navigation and the approach to designing sites more effectively, going beyond the obvious rules like "no dead-end links". But in the end it I felt as though it was more an introduction to web design/navigation for those just starting to design for the web. No new information here, just more of the same, "same" meaning the same rules/guidelines you hear tossed about the web on a daily basis...like "know your audience", "use simple easy to understand navigation" and "storyboard" before you begin the design/layout. If your looking for a slightly more insightful approach, try "Information Architecture", also published by O'Reilly. Much of the Fleming's book seemed to draw from that resource anyway.
This was good for Navigation. It was basic, but well presented and it beat Nielsen's book hands-down for me. But in fact it is the little odd Web Project Management tips and tidbits that I found it most valuable for. She explains some of the fundamental issues in terms more suited to a Project Manager than a Web Designer. None of it is new, but it is nice to see alongside design issues in a book that is not too thick. One-person web developers may like this one.
This book is excellent; I am currently rebuilding our corporate intranet from the ground up, and in my research in the areas of navigation and useability, it was an invaluable aid. The manner in which it approaches various situations was refreshing, compared to many other books in the same field. It encourages you to step back, and look at issues from the users' standpoint -- highly recommended.