The Great Courses App enables you to play courses you have purchased from us. The Great Courses brings the world’s greatest professors to millions who want to go deeper on the subjects that interest them most. No exams. No homework. No schedule. Just a world of knowledge available anytime, anywhere, via video or audio. Use this app to: • Stream any course you have purchased (Internet connection required) • Seamlessly toggle between video and audio versions of lectures • Download your lectures to enjoy later when not connected • Access course guidebooks included with most courses Your Digital Library includes digital editions purchased directly from The Great Courses, and does not include courses purchased from other retailers. More than 800 courses available at TheGreatCourses.com.