[andrei_says_]

You may enjoy Practical Object Oriented Design with Ruby by Sandi Metz. Speaks about OO software design in very clear and easy to grasp way.

I often share it with non-ruby devs because it’s about design much more than it is about ruby.

Here are a couple of talks by the author which examplify her style of thinking and approaching problems.

https://m.youtube.com/watch?v=29MAL8pJImQ

https://m.youtube.com/watch?v=8bZh5LMaSmE