Ambassador Basic Curriculum Course One Author:Gregory Koukl 5 audio CDs, Study Tool on CD, & pdf study notes — This is the first work-at-your-own-pace course to earn your STR certification. Finish all three courses, affirm in writing the STR statement of faith and commit yourself to live by the Ambassador's Creed, and you'll receive a certificate and an ambassador silver lapel pin. Earn Ambassador Gold by... more » testing out using our free online exam. This course contains: