#Development Tools and Techniques for Working with Code in Windows SharePoint Services 3.0 (Part 1 of 2)
http://msdn.microsoft.com/en-us/library/bb530302(printer).aspx

#Development Tools and Techniques for Working with Code in Windows SharePoint Services 3.0 (Part 2 of 2)
http://msdn.microsoft.com/en-us/library/bb530301(printer).aspx