Esri对微软的Windows Phone系统很看好，所以就在WP系统出来不久就让ArcGis实现了对其的开发支持，这本书讲述了选择WP的原因和如何开发WP的应用-Esri is very optimistic about Microsoft s Windows Phone system out soon let ArcGis the development of its support in the WP system, this book tells the select WP causes and how to develop the application of WP