Complete version of Introducing Microsoft SQL Server 2012, by Ross Mistry and Stacia Misner is now ready as a free download! You can download the PDF version of this title below link (288 pages; 10.8 MB).
http://blogs.msdn.com/b/microsoft_press/archive/2012/03/15/free-ebook-introducing-microsoft-sql-server-2012.aspx
http://blogs.msdn.com/b/microsoft_press/archive/2012/03/15/free-ebook-introducing-microsoft-sql-server-2012.aspx