Erlangen

One of the #YFL favorites. Functional, Fault Tolerant, Concurrent.
Review: Learn You Some Erlang for Great Good!
This book, although labelled "A Beginner's Guide", belongs on the bookshelf of anybody who is a serious user of Erlang (with the possible exception of those who made the language or who have used it for decades).
Learn You Some Erlang
The best introduction to Erlang you'll get. Written by our very own MononcQc.
Erlang Enhancement Proposals (EEPs)
Erlang docs with search
Search the Erlang documentation
Currying In Different Languages
Snippets of currying mechanisms in different languages which support currying