By Bill J. Bonnstetter and Judy I. Suiter

The most comprehensive manual in the world for understanding and applying principles of normal behavior based on the work of William Moulton Marston.
Now in it’s fourteenth printing, this hard-cover manual contains over 369 pages that define and establish the parameters of the DISC language, provide solid logical reasons for the necessity of learning the language and assist in the understanding of how behavior plays out in human interaction.



  • What is DISC?
  • The Value of Learning the DISC Language?
  • History of the Language
  • Defining & Learning the Language
  • Reading the DISC Language
  • Blending the Language
  • Workplace Behaviors & Benchmarking
  • Selling with Style
  • Articles & Case Studies
  • Questions & Answers
  • Validity

Universal Language DISC Reference Manual