Microsoft is giving away a huge library of eBooks for free. They are not DRM’d, do not have time bombs, there is no catch that I can see, and there is no limit to the amount you can download. Anyone can download them without needing any kind of account or affiliation with Microsoft.
Many of the books are in ePub, mobi, and PDF format. Some are in PDF only. The topics are as wide ranging as you can imagine. From Microsoft Office 365 to a reference on Multidimensional Expressions (MDX). If you missed the link, check the list of titles out here: http://blogs.msdn.com/b/mssmallbiz/archive/2013/06/18/huge-collection-of-free-microsoft-ebooks-for-you-including-office-office-365-sharepoint-sql-server-system-center-visual-studio-web-development-windows-windows-azure-and-windows-server.aspx
Yes, that URL is absurd. Doesn’t matter, got eBooks.