(from the back of the book)
The duties of a DM are many and varied: he must know his adventures and how to present them to his players, he must know the rules and must constantly switch from role to role to represent all NPCs as interesting as possible, deal with any unexpected situations or heroic actions that meet the needs of each individual player and produce the right atmosphere by skillful use of music and decoration. In other words, he is a director, writer, scenery painter, scriptman, prop master, performers of secondary roles and rules arbitrator in one person.
In Wege des Meiters you can not find orders how it be the perfect game master, but a collection of various hints and suggestions to build your adventures, about drama, presentation of NPCs, how to deal with different players and much more. The experienced master finds many interesting ideas in this volume, and the beginner receives assistance to happily complete his own first adventure.