Stand on the shoulders of giants: "The Architecture of Open Source Applications" http://aosabook.org/en/index.html http://aosabook.org/en/index.html You can

Stand on the shoulders of giants: "The Architecture of Open Source Applications" http://aosabook.org/en/index.html http://aosabook.org/en/index.html You can start by checking Volume I. There's also "500 Lines or Less" which is a part of the effort: https://github.com/aosabook/500lines https://github.com/aosabook/500lines Enjoy yourself :)