Elixir / Erlang hard cover books I have worked through:

• Genetic Algorithms in Elixir by Sean Moriarty
• Functional Web Development with Elixir, OTP, and Phoenix by Lance Halvorsen
• Property-Based Testing with PropEr, Erlang, and Elixir by Fred Herber (this is a slog, still going through it.)
• Programming Erlang by Joe Armstrong

Elixir PDF books I’ve worked through:

• Programming Elixir by Dave Thomas
• Learn Functional Programming with Elixir by Ulisses Almeida
• Designing Elixir Systems with OTP by James Edward Gray, II
• Programming Ecto by Darin Wilson

PDF books I own but haven’t read yet:

• Hands-on Elixir and OTP by Kamil Skowron
• Craft GraphQL APIs in Elixir and Absinthe
• Concurrent Data Processing in Elixir by Svilen Gospodniv

Courses:

Elixir for Programmers - Coding Gnome
Phoenix LiveView Starter (Pragmatic Studio)
Full-Stack GraphQL (Pragmatic Studio)
Bingo and Elixir Package (Pragmatic Studio)