My favorite general guidebook for writing good, readable, maintainable, defensive code is "Code Complete": http://www.amazon.com/Code-Complete-Practical-Handboo

My favorite general guidebook for writing good, readable, maintainable, defensive code is "Code Complete": http://www.amazon.com/Code-Complete-Practical-Handbook-Construction/dp/0735619670 http://www.amazon.com/Code-Complete-Practical-Handbook-Const... It isn't domain specific but there is so much good advice in there around variable naming, code structure, general principles of bug-resistant coding that you will get a tremendous amount from it.