Fast Track Clojure is a tutorial I am developing for learning the Clojure language. The objective of the tutorial is to get you developing in Clojure as soon as possible.
Clojure is a Lisp based language, and here I would like to quote Eric Raymond on why you should learn Lisp.
"Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot."
You can start with the tutorials here.