Here's the list of books my company is planning to buy in the next few days (suggestions are welcome) :
Windows Forms Programming in C#
Essential .NET, Volume I: The Common Language Runtime
Patterns of Enterprise Application Architecture
Programming Windows with C# (Core Reference)
Microsoft ADO.NET (Core Reference)
Transactional COM+: Building Scalable Applications
About Face 2.0: The Essentials of Interaction Design
How to Break Software: A Practical Guide to Testing
.NET and COM: The Complete Interoperability Guide
Streamlined Object Modeling: Patterns, Rules, and Implementation