* [Introduction to Design Patterns in C++ with Qt 4](http://cartan.cas.suffolk.edu/oopdocbook/opensource/index.html) ([PDF](http://www.informit.com/store/product.aspx?isbn=0131879057))
* [Learn C the hard way](http://c.learncodethehardway.org/book/)
* [Learn C the hard way](http://c.learncodethehardway.org/book/)
* [Matters Computational: Ideas, Algorithms, Source Code, by Jorg Arndt](http://www.jjj.de/fxt/fxtbook.pdf)
* [Matters Computational: Ideas, Algorithms, Source Code, by Jorg Arndt](http://www.jjj.de/fxt/fxtbook.pdf)
* [The new C standard - an annotated reference](http://www.knosof.co.uk/cbook/cbook.html)
* [The new C standard - an annotated reference](http://www.knosof.co.uk/cbook/cbook.html)