1.Programming Windows Phone 7, by Charles Petzold

http://blogs.msdn.com/b/microsoft_press/archive/2010/10/28/free-ebook-programming-windows-phone-7-by-charles-petzold.asp

2.Moving to Microsoft Visual Studio 2010

http://blogs.msdn.com/b/microsoft_press/archive/2010/09/13/free-ebook-moving-to-microsoft-visual-studio-2010.aspx

3.Introducing Microsoft SQL Server 2008 R2

http://blogs.msdn.com/b/microsoft_press/archive/2010/04/14/free-ebook-introducing-microsoft-sql-server-2008-r2.aspx

4.Understanding Microsoft Virtualization Solutions 

http://blogs.msdn.com/b/microsoft_press/archive/2010/02/16/free-ebook-understanding-microsoft-virtualization-r2-solutions.aspx

5.Own Your Future: Update Your Skills with Resources and Career Ideas from Microsoft

http://blogs.msdn.com/b/microsoft_press/archive/2010/03/03/free-ebook-own-your-future-update-your-skills-with-resources-and-career-ideas-from-microsoft.aspx

6.Introducing Windows Server 2008 R2, by Charlie Russel and Craig Zacker

http://blogs.msdn.com/b/microsoft_press/archive/2009/10/20/free-ebook-introducing-windows-server-2008-r2.aspx

7.First Look Microsoft Office 2010

http://blogs.msdn.com/b/microsoft_press/archive/2010/01/20/free-ebook-first-look-microsoft-office-2010.aspx

8.Deploying Windows 7, Essential Guidance

http://blogs.msdn.com/b/microsoft_press/archive/2009/10/16/free-e-book-deploying-windows-7-essential-guidance.aspx