Die Wandlungen ("The Metamorphoses") for the first time reproduces all 82 series of graphic metamorphoses dating from 1975 to 1979 in Marrakesh, Carona (Switzerland), and Zurich. "The first series of Wandlungen dates from 1975 when, deeply upset because his girlfriend Carmen has started seeing Guy Barrier, a Zurich 'revolutionary,' David goes abroad. His travels take him via Yorkshire in England to Morocco, where he spends quite some time in Marrakesh. Without knowing in advance what he wants to draw, he begins each time at the upper left-hand corner of the sheet of paper, for example with a scribble, a dart, or a cube. The cube turns into a matchbox with a picture of a lion on it and a small deer inside it, which turns into a bone. The bone turns into a little man who pushes with all his might against the sides of the matchbox until the box collapses. The little man gets scared and, flat on his stomach, looks down over the edge of the cardboard base. The series of images ends with an ear of corn in which every grain has a face with a long nose. Pictures of those faces continue over several pages - each page showing between 6 and 8 single drawings - until a new series begins."