Too many pages, not enough actual content

I received this book today, and within three minutes of looking it over, had decided to return it. The book contains 361 pages, but 281 of those pages are RFCs and other documents freely available online. The actual original content of the book is all of 80 pages.

From a quick scan, the content looks like it's reasonably detailed and useful, and contains a fair bit of source code, which can certainly be helpful. The code was written (and presumably tested) using BSD, but there is some mention of other operating systems. However, I found no mention of AIX or HP-UX, and the numerous flavours of Linux are treated as a single operating system. Does IPv6 behave exactly the same on SuSE, RedHat, Ubuntu, Knoppix, Slackware, and all the rest? I don't know, but I would have expected this book to tell me, at least about the major ones.

I'm giving this book only 2 stars because almost 80% of the book was not written by the author, and is available for free online. I expect a lot more than 80 original pages from a $50 book.

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