Avid Media Composer is professional-grade video editing software with a high learning curve. With a bit of help and a practical project, however, even the newest video editors can unlock its power. In this course you will learn how to combine footage, graphics and audio to create polished videos that can be shared with anyone.
http://photography.tutsplus.com/courses/introduction-to-video-editing-in-avid-media-composer
http://photography.tutsplus.com/courses/introduction-to-video-editing-in-avid-media-composer