Glenn Scott (@GlennCScott) spoke with us about API design and techniques for writing good software.
Literate Programming by Knuth
And the more recommended Bob Martin's books
While latest source code requires licensing, the binary version of CCN includes the LongBow tools (in user/local/parc/bin). Description of tools and doxygen docs. The LongBow getting started guide should be part of the mid-September binary release.