Self-published, et al.
Agile Project Management: The Definitive Beginner’s Guide to Learning Agile Project Management and Understanding Methodologies for Quality Control
Prince2 2017 Certification Foundation and Practitioner Guidebook
The $20 SaaS Company: From Zero to Seven Figur4es without Venture Capital
There's a New Sheriff in Town: The Project Manager's Proven Guide to Successfully Taking Over Ongoing Projects and Getting the Work Done