Microsoft has posted a free book on VB.NET 2005. It looks like you can download the chapters in .PDF format. You can get the book at http://msdn.microsoft.com/vbasic/whidbey/introto2005/.

Here is the description from their web site:

Get a focused, first look at the features and capabilities in Microsoft Visual Basic 2005, Visual Studio 2005, and .NET Framework 2.0. If you currently work with Visual Basic 6, these authors fully understand the adoption and code migration issues you’ll encounter. They’ll step you through a quick primer on .NET Framework programming, offering guidance for a productive transition. If you already work with .NET, you’ll jump directly into what’s new, learning how to extend your existing skills. From the innovations in rapid application development, debugging, and deployment, to new data access, desktop, and Web programming capabilities, you get the prerelease insights and code walkthroughs you need to get productive right away.