18 books • 3 series
The Business Solution to Poverty; Designing Products and Services for Three Billion New Customers
How to Write Successful Fundraising Letters (The Mal Warwick Fundraising, #10) (The Jossey-Bass Nonprofit Guidebook)
Revolution in the Mailbox: Your Guide to Successful Direct Mail Fundraising (The Mal Warwick Fundraising)
Fundraising Success Set (The Five Strategies for Fundraising Success & Ten Steps to Fundraising Success) (The Mal Warwick Fundraising)
The Five Strategies for Fundraising Success: A Mission-Based Guide to Achieving Your Goals (The Mal Warwick Fundraising, #1)