CFBT free online: https://www.braveclojure.com/clojure-for-the-brave-and-true/

Chapter 2 https://www.braveclojure.com/basic-emacs/ helped me get started with Emacs with just knowledge to be somewhat productive and start learning more.

It is a strength (they do cover tooling), but also a weakness. Throwing beginners into learning emacs, as well as a new language, and likely a new programming paradigm, is a massive ask. I think it is mistake for Clojure that Brave and True is the most recommended book to start out.