I found doing the excercise on excercism.io very helpful. I read the manuals, some books, but actually writing code is the best. The nice thing about excercis

I found doing the excercise on excercism.io very helpful. I read the manuals, some books, but actually writing code is the best. The nice thing about excercism.io is the examples have self checking code and you can get mentor feedback. https://exercism.io/tracks/emacs-lisp https://exercism.io/tracks/emacs-lisp