I'm still convinced that the "Clojure from the ground up" series [1] is the best and most effective language guide/tutorial I've ever read. The level of understanding at play there, in terms of building the correct mental models in the right order for a broad audience is excellent.

[1] https://aphyr.com/tags/Clojure-from-the-ground-up

One will be the fast iterator. Her name is Jorunn, and her legs are strong from years of skiing.