Book review - Microsoft .NET: Architecting Applications for the Enterprise

I've just ended reading of Microsoft .NET: Architecting Applications for the Enterprise (PRO-Developer) from MS Press. It's very valued book for .NET developers and architects.

In the first part book describes fundamental design princiles for design of object oriented software:

• separation of concerns
• open/closed principle
• Liskov's substitution principle
• dependency inversion principle

In the second part the book describes how to apply design patterns to architect layers of enterprise systems:

• business layer
• service layer
• data access layer
• presentation layer

As for design patterns this book widely refers on the Patterns of Enterprise Application Architecture from Martin Fowler. In the business layer chapter I expected some detailed description how to design solutions with Windows Workflow Foundation, but this technology is poorly covered in this book. Except for some point outs I think it is good decision to invest your time to the reading of this book.