This document provides an introduction to Clojure, a Lisp dialect that runs on the JVM and JavaScript. It highlights that Clojure is functional, immutable, and was designed by programmers for programmers. The document outlines Clojure's syntax including keywords, symbols, strings, integers and using lists for everything. It also mentions Clojure's data structures like vectors, maps and sets and libraries for web development, databases, games, drawing and more. Finally, it advertises an upcoming ClojureBridge workshop.