Learn how to write our own games that will run on both Windows and Xbox 360 from XNA Team Member Scot Boyd in

Expert One-on-One XNA Game Programming: For Xbox 360 and Windows. You can start using XNA immediately and understand how to take advantage of the free XNA Game Studio Express to build cutting edge 3D games. Become familiar with the XNA Application Model, the XNA Framework, the Content Pipeline, using Sprites, handling input, sound and game saves, working with the camera, developing 2.5D and 3D games, and deployment to Xbox 360.