Self-Study Courses

April 16, 2022, please note

  • DD is transitioning to a new website  (no www. prefix)
  • All of the courses listed below are now available on the new site in user-friendly formats with some new features listed in RED
  • Clicking on the links below will take you to the new site. Register and access the courses.
  • The existing site ( will go dark December 31, 2022. So before then, complete any courses that you have already registered for and download to your computer all of the certificates for courses that you have previously taken.

Choose From Over 100 Hours of Quality Learning on Our New Site

Our Comprehensive Flagship Course

Books  (reading)

Narrated slide presentations

Slide presentations for reading

Anatomy   (Narrated PowerPoint presentations)

DD guarantees your satisfaction, or we refund your registration fee.