The product is a textbook titled "Human Performance Improvement: Building Practitioner Performance," published by Routledge in 2018. Written by authors Carolyn K. Hohne, William J. Rothwell, and Stephen B. King, this hardcover book covers subjects related to training, human resources, and personnel management in the business and economics field. It offers a new edition, featuring 234 pages of valuable insights and information in English language. The book focuses on improving human performance and is a valuable resource for practitioners looking to enhance their skills and knowledge in the field.