Just took CLEP Marketing exam and passed with 61. After finance exam it was a breeze - Very easy. I spent one evening (while watching tv) looking through Barron's "Marketing" and did a couple of mock tests. For mock tests I used CLEP official guide and the link below: http://wps.prenhall.com/au_be_kotler_prinmark_2/0,7094,484140-,00.html O.