This O’Reilly book by Sriram Krishnan “Programming Windows Azure” is now available on Amazon.
Sriram Krishnan is a Program Manager on the Windows Azure team at Microsoft. At Windows Azure, he ran the feature teams which built the service management APIs, geo-capabilities and several back-end infrastructure pieces.
He is a prolific speaker and has delivered talks at several conferences including PDC and MIX.
This book is a must read for any Windows Azure developer.