When a sales rep is told, "Just be yourself" on calls, instead of being totally prepared, that is some of the worst advice ever.
Unless the rep is a skilled, knowledgeable, experienced, prepared person already, just being themself can result in disaster. Maybe you've been there.
Art breaks this down, and discusses what we DO need to do in order to become the best version of ourselves, who is authentic, smooth, and connects at a human level.
Also he references the newly revised site, with lots of valuable training resources, both free and premium, http://smartcalling.com.