Programmer Passport: OTP
Bruce Tate
Testing Elixir
Andrea Leopardi & Jeffrey Matthias
Real-Time Phoenix
Stephen Bussey
Programming Ecto
Darin Wilson & Eric Meadows-Jonsson
Programming Phoenix 1.4
Chris McCord & Bruce Tate & José Valim
Functional Web Development with Elixir, OTP, and Phoenix
Lance Halvorsen