Yes, you read that right, free! Microsoft has lost their minds and is now giving away a rather large collection of e-books, yours for the taking.
They cover quite a range of subjects too, including ASP.Net, Office, SharePoint, SQL Server, Visual Studio, Windows, Azure, Phone 7, and Server. As you would expect they come in PDF format, but it gets better! They also have them in MOBI and EPUB formats, so if you have a device that supports them you get a full featured experience. (I know Kindle uses the MOBI format and Apple’s iBook EPUB, not sure what other readers use).
You can get these goodies from:
Looks like I have many more late nights of reading ahead of me. Oh well, I guess three hours of sleep a night ought to be fine for anyone.