Ahhhhh. I've finished the entire first draft of my book! 396 pages of hard work. Let me know if you are interested in reading through it, in exchange for some critique. Here's the outline:

Part One
1. Introducing Web Services
2. XML Web Service Standards

Part Two - Implementation
3. Building Web Services with ASP.NET
4. Creating Web Service Clients
5. XML With .NET
6. Extending .NET Web Services

Part Three - Architecture
7. Transport Protocols: TCP, UDP, SMTP, and HTTP
8. Data and Format: XML and XML Schemas
9. The Protocol: SOAP
10. Description: WSDL
11. Discovery: WS-Inspection and UDDI
12. Messaging: WS-Routing and WS-Referral
13. Securing: WS-Security
14. Advanced Messaging: Reliability and Session
15. Designing XML Web Services