Free DSST Official Test Preparation Guide for the following exams:
* Business Math
* Ethics in America
* Financial Accounting
* Human Resources Management
* Intro to Business
* Organizational Behavior
* Personal Finance
* Principles of Supervision
http://www.petersons.com/pdf/free/DSST.pdf
Found this in the specific feedback section.I just used the Human Resource Management one....it was very helpful! It was 100 questions long and I had 2 hours to complete it.