My first job when I left school - that is in the late 60s - was as a
library assistant for a local council. I never had any trouble with
Casanovas - overweight and ugly took care of that - but Chairman Maos
were ten a penny.
Ordeal in Otherwhere by Andre Norton. I should point out that Andre
Norton made it easy for a question like this because she made a point of
having at least one book in her oeuvre using every letter of the
alphabet as the first letter.
I began reading Leszek Kolakowski's Main Currents of Marxism, 3 volumes.
I got to page 28 of volume one and, oh dear, I'm not surprised the
Berlin Wall came down, the only surprise is that it didn't collapse
under its own dialectic introspection.