‘Simply sign up for the Microsoft Press Book Connection Newsletter for notification of offers, register, and download the selection of the month'
Currently, Windows Server® 2008 TCP/IP Protocols and Services and Programming Microsoft Robotics Studio e-book are available for free download with registration
Windows Server® 2008 TCP/IP Protocols and Services by Joseph Davies is an r essential guide to TCP/IP—fully updated for Windows Server 2008 and Windows Vista. (21.1Mb, pdf)
Programming Microsoft Robotics Studioby Sara Morgan visualizes, build, and deploy the next innovation in robotic applications (8.8Mb pdf) (via –winvistaclub)