GO! Sync Mapbook, built on ArcGIS Engine, bridges the gap between paper maps and traditional GIS systems providing an easy-to-use and easy-to-deploy map viewing application with an underlying extensible framework for adding customizations and integrating with third-party systems. Pen gestures are used to make GO! Sync Mapbook quick and intuitive to use. A complete set of straightforward tools come standard including quick searching, GPS, and routing. Additional functionality is available with the optional Redline and Inspection extensions.