The Great Courses Effective Communication Skills 4 DVD set with guidebook is a comprehensive study guide focused on improving communication skills. Published in 2011 by The Great Courses, this educational program features expert advice from Professor Dalton Kehoe on effective communication strategies. The DVD set and guidebook provide valuable insights and practical tips for enhancing communication skills in various contexts. With a subject area specific to communication and language in English, this resource is a valuable tool for personal development and professional growth.