Added "Practical Artificial Intelligence Programming With Java, Third Edition"

free-programming-books.md

@@ -770,6 +770,7 @@
 * [Think Java: How to Think Like a Computer Scientist](http://greenteapress.com/thinkapjava/) - Allen B. Downey
 * [Introduction to Programming Using Java](http://math.hws.edu/javanotes/) - David J. Eck
 * [Java Application Development on Linux by Carl Albing and Michael Schwarz (PDF)](http://www.phptr.com/content/images/013143697X/downloads/013143697X_book.pdf) (PDF)
+* [Practical Artificial Intelligence Programming With Java, Third Edition](http://www.markwatson.com/opencontent/JavaAI3rd.pdf) - Mark Watson
 * [The Java EE6 Tutorial](http://download.oracle.com/javaee/6/tutorial/doc/javaeetutorial6.pdf) (PDF)
 * [Java Thin-Client Programming](http://www.redbooks.ibm.com/redbooks/SG245118.html)
 * [Learning Java (4th Edition)](http://chimera.labs.oreilly.com/books/1234000001805/index.html) - Patrick Niemeyer