https://pragprog.com/titles/lhelph/functional-web-developmen...

don't let the title fool you - the first half of the book is just elixir

over the past 8 years this is the book i've used to ramp back up on elixir and it works like a charm every time - i've never finished it

for me, a mark of a good programming book in this tutorial-project style is that I have started it half a dozen times and never finished it because at some point before the end I've been equipped w/ the tools to go off and do my own thing