Hmm. Maybe

• „The myth of a strong leader“ by Archie Brown

I really like this one. It reads pretty modern and might give some insight how the situation in the US might evolve:

• „Berlin Diary“ by William L. Shirer

That one is a classic:

• „How to spot a fascist“ by Umberto Eco.

Stefan Zweig talks about the rise of the nazis and the beginning of Second World War in his memoirs for a bit:

• „The world of yesterday“ by Stefan Zweig.

Many freighters rent cabins for passage. No idea how expensive this is, tho.