I find that I am constantly recommending one or more of the books I have in my "library" to developers. They aren’t in any order or grouping right now since I just wanted to get them into some form of html. I will hopefully find some time to go through them and rearrange them into something that is a bit more organized.

Applying Domain-Driven Design and Patterns: With Examples in C# and .NET	Data Binding with Windows Forms 2.0: Programming Smart Client Data Applications with .NET (Microsoft .NET Development Series)	Unified Modeling Language User Guide, The (2nd Edition) (The Addison-Wesley Object Technology Series)
Writing Solid Code: Microsoft's Techniques for Developing Bug-Free C Programs (Microsoft Programming Series)	The Mythical Man-Month: Essays on Software Engineering, 20th Anniversary Edition	Joel on Software: And on Diverse and Occasionally Related Matters That Will Prove of Interest to Software Developers, Designers, and Managers, and to Those Who, Whether by Good Fortune or Ill Luck, Work with Them in Some Capacity
Peopleware : Productive Projects and Teams, 2nd Ed.	Refactoring: Improving the Design of Existing Code	Design Patterns C#
Patterns of Enterprise Application Architecture	UML Distilled: A Brief Guide to the Standard Object Modeling Language, Third Edition	Professional .NET 2.0 Generics (Programmer to Programmer)
In Search of Stupidity: Over Twenty Years of High Tech Marketing Disasters, Second Edition	The Best Software Writing I: Selected and Introduced by Joel Spolsky	CLR via C#, Second Edition
Refactoring to Patterns (The Addison-Wesley Signature Series)	Code: The Hidden Language of Computer Hardware and Software	Pragmatic Unit Testing in C# with NUnit (Pragmatic Programmers)
Herding Cats: A Primer for Programmers Who Lead Programmers	Peer Reviews in Software: A Practical Guide	Design Patterns: Elements of Reusable Object-Oriented Software (Addison-Wesley Professional Computing Series)
The Pragmatic Programmer: From Journeyman to Master	Pro .NET 2.0 Windows Forms and Custom Controls in C#	Deploying .NET Applications: Learning MSBuild and ClickOnce (Expert's Voice in .Net)
Pragmatic Unit Testing in C# with NUnit (Pragmatic Programmers)