Test prep resources are not curriculum – they are cheat sheets or guides to help you focus your attention on specific portions of a test and away from the entire topic.
For instance, you would use Spanish curriculum to learn Spanish, you would use Spanish Test Prep resources to prepare for one of the Spanish college credit exams.
The following resource links take you to excellent test prep resources, many of which are totally free!!
Free CLEP Prep (also includes DSST Prep)
For books, you’ll want to check out titles in the REA series. These books also include practice tests. Visit your favorite retailer and search “REA CLEP” followed by the name of the exam you’re prepping for:
example: REA CLEP College Algebra