It's still a good idea to look at an Erlang book like this one. Kind of like natural languages, it's handy to be able to read Erlang even if you don't or can't

It's still a good idea to look at an Erlang book like this one. Kind of like natural languages, it's handy to be able to read Erlang even if you don't or can't write it. There's a lot of older literature, Erlang, pre-Elixir, that is worthy of study.