In case you want to be the smartest kid in class during World Spices next week, or in case you can't make it and just want to impress your friends, here are a couple brief readings to inspire.
The Secret of the Three Cinnamons - Cassia, Indonesian, and Ceylon!
Fun-Loving Indian Black Cardamom versus World-Destroying Chinese Black Cardamom - they're terrifyingly different. Click through just for the photo, I promise it's worth it.
Bonus: what's up with galangal?