Scrum and XP from theTrenches. How we do Scrum
Henrik Kniberg
The SEWA Project Management Model
Dr Rashid Alleem
Information Security Handbook, 2nd. Edition
Darrent Death
Scrum - a Pocket Guide: A Smart Travel Companion
Gunther Verheyen
Scrum für Dummies
Mark C. Layton
Für Dummies (1)
Managing Complex Systems: Thinking Outside the Box
Howard Eisner