- Crisp: Beyond Customer Service, Revised Edition: Effective Programs for Retaining Your Customers (Fifty-Minute Series Book)
- Writing & Implementing a Marketing Plan: A Guide for Small Business Owners
- Crisp: Marketing Strategies for Small Business (The Crisp Small Business & Entrepreneurship)
- Crisp: Great Customer Service for Your Small Business (Crisp Small Business Series)
- Headcoaching: Mental Training for Peak Performance
- Malcolm MacGregor
- David B. Wolfe
- Jeffrey Lant
- Stephen D. Messner
- John Savage, CLU
- Shel Horowitz
- Arthur Middleton Hughes
- Lois Kellerman
- Kim MacPherson
- Karl Breckenridge
- Terry Eilers
- Roger J. Dow
- Steve Kennedy
- Bryce Webster
- Richard Mitz
- Robert E. Snyder
- Ian H. Gordon
- Arthur Sweetser
- Maury Fertig
- Frank Blankenship