If you want to keep up with the significant changes in this important language, you need the second edition of Programming Clojure. Stu and Aaron describe the modifications to the numerics system in Clojure 1.3, explain new Clojure concepts such as Protocols and Datatypes, and teach you how to think in Clojure.Programming Clojure, 2nd Edition is a significant update to the classic book on the Clojure language. You'll get thorough coverage of all the new features of Clojure 1.3, and enjoy reorganized and rewritten chapters that reflect the significance of new Clojure concepts. Many code examples have been rewritten or replaced, and every page has been reevaluated in the light of Clojure 1.3. As Aaron and Stu show you how to build an application from scratch, you'll get a rich view into a complete Clojure workflow. And you'll get an invaluable education in thinking in Clojure as you work out solutions to the various parts of a problem. Clojure is becoming the language of choice for many who are moving to functional programming or dealing with the challenges of concurrency. Clojure offers: The simplicity of an elegantly designed language The power of Lisp The virtues of concurrency and functional style The reach of the JVM The speed of hand-written Java code It's the combination of these features that makes Clojure sparkle. Programming Clojure, 2nd Edition shows you how to think in Clojure, and to take advantage of these combined strengths to build powerful programs quickly. What You Need: Oracle JDK 6 A text editor