Image Processing in C

Added in Misc section.

Proof that's actually free: the author's site itself (http://dwaynephillips.net/#books)

free-programming-books.md

@@ -108,7 +108,7 @@ Original Source: [Free Programming books](http://stackoverflow.com/revisions/392
 * [Mathematica](#mathematica)
 * [MATLAB](#matlab)
 * [Maven](#maven)
-* [Mercurial](#mercurial)
+* [Mercurial](#mercurial)m
 * [Mercury](#mercury)
 * [Meta-Lists](#meta-lists)
 * [MySQL](#mysql)
@@ -413,6 +413,7 @@ Original Source: [Free Programming books](http://stackoverflow.com/revisions/392
 * [How to Become a Programmer](http://softwarebyrob.wpengine.netdna-cdn.com/assets/Software_by_Rob%20_How_to_Become_a%20_Programmer_1.0.pdf)
 * [How to Think Like a Computer Scientist](http://openbookproject.net/thinkcs/) - Peter Wentworth, Jeffrey Elkner, Allen B. Downey, and Chris Meyers
 * [I Am a Bug](http://www.amibug.com/iamabug/p01.html)
+* [Image Processing in C: Analyzing and Enhancing Digital Images](http://homepages.inf.ed.ac.uk/rbf/BOOKS/PHILLIPS/) - Dwayne Phillips
 * [Information Technology and the Networked Economy](http://florida.theorangegrove.org/og/file/49843a6a-9a9d-4bad-b4d4-d053f9cdf73e/1/InfoTechNetworkedEconomy.pdf)
 * [Learn to Program](http://pine.fm/LearnToProgram/)
 * [Learning 30 Technologies in 30 Days: A Developer Challenge](https://www.openshift.com/blogs/learning-30-technologies-in-30-days-a-developer-challenge) - Shekhar Gulati