What the Heck IS Derby?
For more information on what Roller Derby actually is, and how it's played, check out some of the awesome resources below.
WFTDA (the Women's Flat Track Derby Association) has an awesome video about how modern roller derby is played. Click here to take you to the video, and feel free to browse their website for more information.
The Silicon Valley Roller Girls has a helpful list of derby terms and their definitions to help you understand what the heck is happening.
Raw Meat Vancouver has an easy to understand guide to the rules. It's really watered down but it gives a pretty good description of why things happen, and it has some great videos.