The book will be available for ordering starting on October 3rd 2007 - Here's a link to the book details on the MS Press site.
And of course here's some information about the contents of the book: This practical, authoritative, popular reference—now in its fourth edition—shows developers how to develop applications for the newest generation of mobile and embedded devices. Focusing on the core operating system of Windows Embedded CE 6.0, this guide covers memory management, files and file systems, registries, databases, notifications, communications, and more. It’s based on the author’s extensive experience training developers focused on embedded technologies how to use Windows CE to its fullest capabilities, and covers the latest features in Windows Embedded CE 6.0. The book includes a link to a companion Web site with extensive sample applications in Visual C++.
Seems like this book is going to be a "Must Have" for developers working on Windows Embedded CE 6.0