Introducing Windows Server 2008 R2, by Charlie Russel and Craig Zacker with the Windows Server Team at Microsoft, can be downloaded here.

Here is the book’s Content at a Glance:

Introduction    xvii
Chapter 1    What’s New in Windows Server R2    1
Chapter 2    Installation and Configuration: Adding R2 to Your World    9
Chapter 3    Hyper-V: Scaling and Migrating Virtual Machines    25
Chapter 4    Remote Desktop Services and VDI: Centralizing Desktop and Application Management    47
Chapter 5    Active Directory: Improving and Automating Identity and Access    65
Chapter 6    The File Services Role    91
Chapter 7    IIS 7.5: Improving the Web Application Platform    109
Chapter 8    DirectAccess and Network Policy Server    129
Chapter 9    Other Features and Enhancements    147
Index    163

Mitch Tulloch has updated his free eBook (6 chapters adding up to 466 pages) of last year.

You can now download Understanding Microsoft Virtualization R2 Solutions (in XPS or in PDF format) here.