WPF (Windows Presentation Foundation) provides a complete development framework for building apps with high-quality user interface on Windows. This also gives an unprecedented opportunity to you to make full use of the processing ability of Windows computer.
PHP 5 Power Programming is a classic must-read authoritative book with 720 pages of content published in 2004, cooperatively written by 3 PHP masters (PHP 5's chief designer - Andi Gutmans, PEAR's founder - Stig Saether Bakken and PHP's core contributor - Derick Rethans). Now its full copyright has been completely free.
Speaking of Windows Internals, you must have heard of it as long as you are interested in the Windows architectures and internals. For it is committed to the underlying mechanism, it won't cover all Windows contents, such as Windows window management, graphics, COM/COM+, .NET, etc. If you are willing to know more about Windows underlying principle, then this book is very suitable to you.
Programming Applications for Microsoft Windows, 4th Edition is a treatise explaining the internal mechanism of Windows operating system. Meanwhile, it is also the well-deserved and unfailing bible for Windows programming. It's written by the esteemed Jeffrey Richter - the same author of another pinnacle work in the Windows programming field - Advanced Windows.