A few people have asked me what my upcoming Indigo book covers.  I try to cover the full Indigo product from the standpoint of what an application developer needs to know to be effective. You could write a completely different book about internals and lower level programming, and probably someone will. My book is very task-oriented. Most chapters present conceptual material, followed by how-to information, followed by a programming exercise to drive it all home. This book covers Indigo beta 1 specifically.

Here's the topical organization:

1. Introducing Indigo
2. Fundamentals
3. The Programming Model
4. Addresses & Bindings
5. Contracts
6. Clients
7. Services
8. Security
9. Interop & Integration
10. Hosting
11. Management
12. Deployment & Troubleshooting
13. Case Study: business example
14. Case Study: peer-to-peer example
15. Case Study: real-time example