From the Back Cover

"If you’re a systems-level 32-bit or 64-bit Windows developer, whether using the Windows API directly or via .NET interop, you’ll definitely want to take a look at this update to Johnson Hart’s well-respected and well-loved book. Johnson starts with Windows history and cultural issues and moves through basic and advanced system services in a thoughtful, thorough manner. If Mr. Rogers wrote a book with David Cutler, this is what they’d come up with."