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