Status Updates From Son ve İlk İnsanlar

the Martians who appear halfways through seem to have been the inspiration for the alien in the recent film "Nope", now that I think of it

This starts out with a bunch of extremely off base forecasts about WW2 (that probably made more sense when this book was published back in 1930) before the author just firing off every single batshit crazy idea for a fictional society he could think of, I can't think of many other SF authors than Olaf Stapledon who can come up with as "out there" ideas for worldbuildings as you see here and in "The Starmaker".