I'd have to spend a lot more time for a comprehensive list, but I can easily throw out a couple: "Computer Lib/Dream Machines" Theodor Nelson - a vision of a b

I'd have to spend a lot more time for a comprehensive list, but I can easily throw out a couple: "Computer Lib/Dream Machines" Theodor Nelson - a vision of a better computing future that sticks with me. "Courtship Rite", "The Moon Goddess and the Son", "Psychohistorical Crisis" Donald Kingsbury - sociologicaly based SF that forced me to think way outside of my cultural assumptions. TMGATS is particularly relevant given the events in Ukraine.