by Adam Nathan . While the physical book is a standard reference for Windows Presentation Foundation (WPF) developers, the "GitHub" and "upd" (updated) parts of your query likely refer to community-maintained repositories of its code samples or updated versions of the content. Overview of WPF 4.5 Unleashed
books/WPF-4-unleashed. pdf at master · adamshe/books · GitHub. WPF 4: Unleashed: Nathan, Adam: 9780672331190 - Amazon.com wpf 45 unleashed pdf github upd
You can find the official sample pages, including chapters that cover key concepts, on Pearsoncmg.com . by Adam Nathan