The author begins to reach the beginner without crushing it with his "great knowledge".
The first exercises are within the reach of a child of 8-9 years. For example, the author has drawn up three faces, draw the reader down with a mouth that screams for a "surprise" to the other ...
Gradually, the exercises become more complex, but still fun to réaliser.Cela generates real progress for the apprentice.
The author's comments are often poetry loans and take the reader as to "reproduce" to "reflect" on his illustrations.
