If you're not familar with terms such as "timeline" and "keyframe" the official MAGIX Academy textbook is exactly what you need. Step-by-step, Rainer Hagner, author of the book, gets you set for video editing with MAGIX Movie Edit Pro (starting with version 15).
Second edition, completely revised!
In addition to the explanations, each step is illustrated with high-quality color images. The book goes beyond video editing basics that are explained using MAGIX Movie Edit Pro Classic, Plus und Premium (starting with version 15) to cover advanced topics for more experienced users.