ASP.NET AJAX programmer's reference with ASP.NET 2.0 or ASP.NET 3.5

Are you looking for a enterprise asp.net ajax book? This book at 1500 pages provides more explanation for asp.net client side programming model than any other book!!!! This book is a must for any silverlight developer No other book goes deeper than this book for asp.net ajax..... If you are looking for a simpler book go someplace else this book is for enterprise developers.....