1. Consulting with Nonprofits: A Practitioner’s Guide (1998) by Carol A. Lukas
2. The Nonprofit Consulting Playbook: Winning Strategies from 25 Leaders in the Field (In the Trenches) (2013) by Susan Schaefer, Linda Lysakowski
3. The Consultant’s Tool Kit: 45 High-Impact Questionnaires, Activities, and How-To Guides for Diagnosing and Solving Client Problems (2001) by Mel Silberman
4. Hands-On Consulting: A Framework for Solving Business Problems, 3rd edition. (2013) by Bud Smith