Below, in no particular order, is a partial listing of Visual Basic 2008 books. Some have already been published, some will be published over the next several months.
Microsoft Visual Basic 2008 Step by Step
http://www.microsoft.com/MSPress/books/12202.aspx
Amazon.com: Visual Basic 2008 For Dummies
http://www.amazon.com/Visual-Basic-2008-Dummies-Computer/dp/0470182385
Amazon.com: Accelerated VB 2008 (Accelerated)
http://www.amazon.com/Accelerated-VB-2008-Guy-Fouch%C3%A9/dp/1590598741
Wrox::Visual Basic 2008 Programmer's Reference
http://www.wrox.com/WileyCDA/WroxTitle/productCd-0470182628.html
APRESS.COM : Beginning VB 2008 Databases: From Novice to Professional
http://www.apress.com/book/view/1590599470
APRESS.COM : Pro VB 2008 and the .NET 3.5 Platform
http://www.apress.com/book/view/1590598229
Beginning ASP.NET 3.5 in VB 2008 - Programming Techniques
http://www.springer.com/west/home/computer/programming?SGWID=4-40007-22-173744606-0
Amazon.co.uk: Mastering Microsoft Visual Basic 2008
http://www.amazon.co.uk/Mastering-Microsoft-Visual-Basic-2008/dp/0470187425/ref=sr_1_3/202-8329653-2242231?ie=UTF8&s=books&qid=1191767779&sr=1-3
Microsoft Visual Basic 2008 Express Edition: Build a Program Now!
http://www.microsoft.com/MSPress/books/12282.aspx
Programming Windows Services with Microsoft Visual Basic 2008
http://www.microsoft.com/MSPress/books/11309.aspx
Deitel & Associates, Inc. Visual Basic 2008 How to Program
http://www.deitel.com/