Microsoft released a free e-book on Windows Azure for IT Professionals. The 130 pages PDF file has 6 chapters and can be downloaded here.
The book covers all areas of Azure. Each chapter has an high level overview of the services. By reading this book a good overview of Azure can be obtained, It is a technical book without marketing language.
The chapters are:
- Understanding Windows Azure
- Windows Azure compute services
- Windows Azure network services
- Windows Azure data services
- Windows Azure app services
- Getting started with Windows Azure