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Pugh, by any chance?

Krantz. Seems to be at a decent pace. No idea if it's any good though - problem of not having a mentor!

That book got good reviews. /r/math has lots of threads on this, recommend Abbott, Tao, Pugh, Spivak etc

Thank you :) I'm currently reading Calculus by Spivak too. Fantastic book.

I find getting a taste and moving forward breadth-first keeps things fresh.