Property-Based Testing with PropEr, Erlang, and Elixir Today, I'm publishing a new book: Property-Based Testing with PropEr, Erlang, and Elixir. It's my third book, the second one that is not self-published. Back in 2016, I wrote a blog post titled Property-Based Testing Basics, where I intended to start a short series of introductory blog posts explaining property-based testing. However, as soon