Yes, if you have little or no experience with ASP.NET, that will be the best book for you. If you had more ASP.NET experience, I'd recommend Professional ASP.NET 2.0 Ajax (by Matt Gibbs and Dan Wahlin) instead.
Jim Minatel
Acquisitions Director
Wiley Technology Publishing
WROX Press
Blog:
http://wroxblog.typepad.com/