I decided to read a bit about category theory last year. I quite enjoyed "Category Theory for Programmers" as a practical introduction. You can read it online h

I decided to read a bit about category theory last year. I quite enjoyed "Category Theory for Programmers" as a practical introduction. You can read it online here: https://bartoszmilewski.com/2014/10/28/category-theory-for-programmers-the-preface/ https://bartoszmilewski.com/2014/10/28/category-theory-for-p... I also read "Basic Category Theory for Computer Scientists", which was a bit less practical but very good. https://mitpress.mit.edu/books/basic-category-theory-computer-scientists https://mitpress.mit.edu/books/basic-category-theory-compute...