Good reference for Object Oriented Design

Question

I find myself rarely using object oriented principles when I design applications. I am looking for a good reference for Object Oriented design. I'm using C# as my programming language and would like to have a reference which helps to make use of the OO contructs provided by C#. But basically I need a good book to derive some inspiration.

Answer 1

I think a book on Design Patterns may be what you want. The classic one would be Deisgn Patterns: Elements of Reusable Object Orientated Software.

Answer 2

Here goes: two milestones

1. Design Patterns: Elements of Reusable Object-Oriented Software
2. Head First Design Patterns

Answer 3

Check out Evan's DDD