A Scrum Book
Jeff Sutherland
The Scrum Guide The Definitive Guide to Scrum The Rules of the ...
Ken Schwaber & Jeff Sutherland
The Scrum Papers - Nut, Bolts, and Origins of an Agile Framework
Software in 30 Days: How Agile Managers Beat the Odds, Delight ...
Scrum: The Art of Doing Twice the Work in Half the Time