TL;DR: The Scrum Body of Knowledge (SBOK) is THE complete reference guide for Scrum. The updated fifth edition (2025) contains all Agile principles, Scrum roles, events and artifacts, plus two new chapters on scaling Scrum. Free to download as PDF.
Key takeaway: Whether you're just starting with Scrum or already experienced, the SBOK is your complete reference guide – from basic principles to enterprise scaling.
The complete Scrum theory in one handy book
In the Scrum Body of Knowledge you'll read the complete theory about the Scrum framework from A to Z. From the principles of Agile and Scrum, the various Scrum roles, to details about estimating project risks.
This completely updated fifth edition (2025) also offers two additional chapters on scaling Scrum. Both for large projects and for application in large organizations.
What does the SBOK contain?
The SBOK was developed as a guide for professionals and organizations who want to apply Scrum, and as a reference work for those who already do. It contains contributions from many Scrum experts, based on their experiences in thousands of projects across all types of organizations.
- Agile principles - The fundamentals of Agile working
- All Scrum roles - Product Owner, Scrum Master, Developers
- Scrum events - Sprint Planning, Daily Scrum, Sprint Review, Retrospective
- Scrum artifacts - Product Backlog, Sprint Backlog, Increment
- Risk assessment - Practical techniques for project risks
- Scaling Scrum (NEW) - For large projects and organizations
Who is the SBOK for?
The SBOK can be used as a reference and knowledge guide by both experienced Scrum professionals and other product and service developers. You don't need prior experience or knowledge of Scrum or other project and organizational methods.
The SBOK is ideal for:
- Aspiring Scrum Masters and Product Owners
- Developers who want to understand Scrum
- Managers who want to implement Agile
- Anyone preparing for Scrum certification
- Organizations wanting to scale Scrum
Download for free
You can download the SBOK for free here as a PDF e-book.
Prefer an interactive training with personal guidance? Check out our Scrum training courses with 99% pass guarantee.
Written by

Merijn Visman
Certified Scrum Trainer
For over 15 years, I have been helping professionals and organizations work more effectively with Agile and Scrum. My trainings are practical, interactive, and immediately applicable in your daily work.
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