With four volumes of Train the Trainer, it can be tough to choose which one to buy. That's no longer an issue. With more job aids, case studies, and practical ideas than you can count, you can get the Four Volume Collection: Train the Trainer in PDF or print versions or buy them individually. The set includes 60 Infoline and TD at Work issues organized into four volumes, and features new training tools and techniques, practical wisdom, and evergreen content essential to the learning and development profession.