The Fourth Turning - https://www.amazon.co.uk/Fourth-Turning-text-First-Strauss/dp/B004MZSR4A/ref=tmm_hrd_swatch_0?_encoding=UTF8&qid=1693838478&sr=8-2
Layered Money - https://www.amazon.co.uk/Layered-Money-Dollars-Bitcoin-Currencies/dp/1736110519/ref=tmm_hrd_swatch_0?_encoding=UTF8&qid=1693838536&sr=8-1