The Shape of Time A Book by George Kubler en.wikipedia.org The Tiling Patterns of Sebastien Truchet and the Topology of Structural Hierarchy euphonytime
The Design of Design (Cambridge Engineering Series) A Book by Gordon Clegg www.amazon.com What the problem is
What the problem is Sometimes the problem is to discover what the problem is. The heart of systems engineeringComplete and consistent requirements problemsdesignux