Manyebook
Harvard Business School Press
Open Business Models
Improving Business Processes
HBR Guide to Getting the Mentoring You Need (HBR Guide Series)
Manager's Toolkit
HBR Guide to Managing Stress at Work (HBR Guide Series)
HBR's Must Reads Boxed Set (6 Books) (HBR's 10 Must Reads)
Finance for Managers
Coaching and Mentoring