Erlang and OTP in Action https://www.manning.com/books/erlang-and-otp-in-action https://www.manning.com/books/erlang-and-otp-in-action You build an application

Erlang and OTP in Action https://www.manning.com/books/erlang-and-otp-in-action https://www.manning.com/books/erlang-and-otp-in-action You build an application with increasing complexity. There are some other applications that are built along the way to demonstrate some ideas in a smaller scope, but the overall structure of the book is designed around making one application better as you learn more about OTP.