Scrum Guide Revisions | Scrum Guides
Scrum is a framework for developing and sustaining complex products. The Scrum Guide contains the official definition of Scrum as authored by Ken Schwaber and Jeff Sutherland.
The learning path is organized by a set of Professional Scrum Competencies which each contain a number of focus areas. Resources are laid out in a prescribed order, however it is your journey, so follow in the best way that helps you learn.