Elixir in Action just recently published a 3rd edition, and it's a great introduction to the language and ethos of Elixir.
https://www.manning.com/books/elixir-in-action-third-edition
https://elixirschool.com/en
is a great resource, and Learn You Some Erlang For Great Good is a great one as well.
Could you recommend how I should get started with erlang/elixir?