This audiobook set from Success Motivation Institute includes four sealed cassette tapes that cover a wide range of topics related to improving personal and professional success. The tapes feature insights and strategies from a variety of authors, including Larry Kettelkamp, Jack Kinder Jr., Garry D. Kinder, John Tschohl, Dr. J. Clifton Williams, and Roger Staubach, on topics such as improving employee motivation, selling strategies, and personal finance. In addition to the cassette tapes themselves, the set also includes a dust jacket for protection. The topics covered in these tapes include managerial skills, transforming your life, motivation, improving productivity, being of service, making better grades, and successful selling, among others. Whether you're an adult looking to improve your own success, or a manager looking to motivate your employees, this audiobook set offers valuable insights and strategies for achieving your goals.