This is what I'm more immediately interested in reading.

"Address Unknown: the great, forgotten anti-Nazi book everyone must read" | Fiction | The Guardian 

https://www.theguardian.com/books/2019/aug/23/in-praise-of-address-unknown-the-anti-nazi-novel-that-saw-into-the-future

"Address Unknown"

https://www.acobas.net/teaching/textbook/address/addressunknown.pdf