Microsoft have released a large number of free ebooks across a number of subjects via a MDSN Blog.
The subjects covered in the books are:
- .Net
- Azure
- Dynamics
- Hyper-V
- Lync
- Office
- Powershell
- Sharepoint
- SQL
- System Centre
- Surface
- Windows 7
- Windows 8
- Windows 10
- Windows Server
Max Hemingway 