Clean Agile: Back to Basics
Robert C. Martin
The Pattern Seekers
Simon Baron-Cohen
Multilevel Business Processes: Modeling and Data Analysis
Christoph G. Schuetz
97 Things Every Scrum Practitioner Should Know
Gunther Verheyen
PMP: Project Management Professional Exam Study Guide
Kim Heldman
Scrum: a Breathtakingly Brief and Agile Introduction
Chris Sims & Hillary Louise Johnson