On the official site of Scrum you can find quite good and short guide about that method: scrum.org/resources/scrum-guide
There are of course other books, which describe Scrum more deeply, but I haven't any favorite. You can also find some courses on Pluralsight :)
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.