#68: Dennis P. Waters' Behaviour and Culture in One Dimension. Oooo, a fun read, especially as I was eyeing up the analog-continuous interface. Led me to think about product lines, too. https://1dimensional.com https://swellandcut.com/product-lines/
#69: The seminal Godel, Escher, Bach by Douglas Hofstadter. Easy to see how this nerd-sniped a lot of people and steered the intelligence dialogue entire. https://en.wikipedia.org/wiki/Gödel,_Escher,_Bach