Free Windows TCP/IP Fundamentals eBook (Because sometimes you just need 559 pages of TCP/IP...)

Microsoft Downloads - TCP/IP Fundamentals for Microsoft Windows

"This online book is a structured, introductory approach to the basic concepts and principles of the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite, how the most important protocols function, and their basic configuration in the Microsoft Windows Vista, Windows Server 2008, Windows XP, and Windows Server 2003 families of operating systems. This book is primarily a discussion of concepts and principles to lay a conceptual foundation for the TCP/IP protocol suite and provides an integrated discussion of both Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6).

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I'm interested in the TCP/IP v6 info. I'm a old v4 guy, where my first usage was first getting TCP/IP running on Windows 3.1 with a third party stack (the definition of "fun" ;) and I just don't know much about v6... (except its address space is "big" and there's cool "stuff" in it  ;)