Where can I learn more about car parts, specifically import?

Where can I learn alot about car parts and how they work, and also into the import scene parts.|||what exactly are you trying to figure out?|||Do they offer a auto shop class in your local high school?|||It is called colage but if you are to broke for that just go and start helping at a local shop be the shop boy for a while and make sure to pay attention you could learn something