system
A chat on subreddit /r/PoliticalCompassMemes
human
Starship Troopers by Robert A. Heinlein is a book I read as a teenager that definitely swayed a young me, towards a more right leaning slant.

 But, I grew up with shitbag liberal parents (my father was a wife beater, my mother seemed to hate me for existing), had to take care of my younger sister for 16 years of her life, etc, etc. It's not just about the political philosophy you read about, it's about watching people who push those policies as a young person, having people who advocate for 'Freedom Of Speech' slap the shit out of you because your argument was good. My mother accusing me of being a racist at 16, for being pro 2A was honestly the last straw. I abandoned all liberal pretense and just started to be myself. Have never been happier.

Most political views aren't formed by books, they're formed by lived experience, and they're strengthened by literature/more lived experiences. So of course all the political theory books in the world aren't going to sway you if you're firmly set in one political ideology.
gpt
Never seen or read Starship Troopers but when I was a little further right I do remember hearing positive things about it as being a good model of an "authright" society.

&gt;Most political views aren't formed by books 

Tell that to 15 year old Marxist me lol. "Man with beard who is considered smart wrote book, therefore it must be true".