Études for Erlang

Looks nice, but I think there are already some good introductions to Erlang. I wish there were more things like this: http://www.erlang-in-anger.com/

Took me a second to figure out that this wasn't a tutorial in itself, but meant as a companion to another erlang book or class, specifically Simon St. Laurent's Introducing Erlang.

From the author:

"As I continued writing my own examples, I thought they might be useful to other people as well. I contacted Simon St. Laurent, the author of Introducing Erlang, and he liked the idea of having these companion exercises and suggested naming them études"