Geometry of Design is an insightful book that looks at design with geometry in mind.
It has technical information such as all the diagrams of golden rectangles, circles, and then there are the ratios and analysis of artworks, and even furniture and architecture and other things.
It's quite fascinating to read about how these techniques are used in artworks. I wonder if the artists who painted those artworks actually thought about all these technical stuff.
This is not a book you can go through quickly because to truly appreciate geometry, you have to at least understand a bit of how those diagrams are constructed, and how you can use them yourself. I think the book does a good job with the examples and explaining, and for some pages there are overlays that you can put over the drawing to see how the areas are divided.
You might look at things and design differently after reading the book.
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