The Professional Scrum Master (PSM I) Guide
Fred Heath
People Over Process: Leadership for Agility
Michael K Levine
Execution - Discipline of Getting Things Done (Summary)
Lawrence Bossidy & Paul Minors
Coaching Agile Teams: A Companion for ScrumMasters, Agile Coaches, ...
Lyssa Adkins
Lexikon der Projektmanagement[..]
Günter Drews & Norbert Hillebrand
SAFe 4.5 Distilled: Applying the Scaled Agile Framework for ...
Richard Knaster & Dean Leffingwell