Franz Marc's famous Sketchbook from the Field contains thirty-six small-format pencil drawings that were produced between March and June 1915 - just a few months before the artist's death in March 1916. These precious sheets, which are among the last works produced by Marc, are his artistic legacy. In spite of their miniature scale, the sketches are among the greatest creations of drawing in the twentieth century. They mark the beginning of an age,...