- Pfeiffer's Classic Inventories, Questionnaires, and Surveys for Training and DevelopmentJack Gordon
- The Pfeiffer Handbook of Structured ExperiencesJack Gordon
- The Pfeiffer book of successful communication skill-building toolsJack Gordon
- Stress counsellingAlbert Ellis, Jack Gordon et al.
- Pfeiffer's classic activities for building better teamsJack Gordon
- Stress counselingAlbert Ellis, Jack Gordon et al.
- Pfeiffer's Classic Activities for Managing Conflict at WorkJack Gordon
- Pfeiffer's Classic Activities for Diversity TrainingJack Gordon
- The Pfeiffer book of successful leadership development toolsJack Gordon
- Pfeiffer Book of Successful Conflict Management ToolsJack Gordon
- Pfeiffer's classic activities for developing leadersJack Gordon
- Pfeiffer's Classic Activities for Developing New ManagersJack Gordon
- Pfeiffer's Classic Activities for Improving Interpersonal CommunicationJack Gordon
