If I could give my high school self only one math book, it would have to be Seven Sketches in Compositionality by Fong and Spivak. Did every exercise over winter break in college and realized along the way that I had been hustling through math courses and olympiad problems without appreciating any beauty in the structure of mathematics. It completely changed my life and, at least in my eyes, dissolved the assumption…
Re: Ask HN: Recommend a maths book for a teenager?
#141link to read online: https://arxiv.org/pdf/1803.05316.pdf