- Adaptive Coaching: The Art and Practice of a Client-Centered Approach to Performance Improvement
- Elements of Influence: The Art of Getting Others to Follow Your Lead
- Knock Your Socks Off Service Recovery (Knock Your Socks Off Series)
- Selling to Major Accounts: Tools, Techniques, and Practical Solutions for the Sales Manager
- Powerful Proposals: How to Give Your Business the Winning Edge
- Samuel Reese
- William E. Hollowell
- Roger C. Cramton
- Sallie Sherman
- Joseph Sperry
- Steve Moidel
- Earl Naumann
- Tibor R. Machan
- Suzanne B. & Sparkman, Catherine G. O'Neill
- David A.J. Axson
- Willie Pieterson
- Madeleine Homan
- James E. Chesher
- John M. Penrose
- Clyde W. Burleson
- Daniel I. Small
- Steven Keeva
- George Meredith Cohen
- Bill Stinnett
- Clyde M. Creveling