Paul Klee was 42 years of age when he took up teaching at bauhaus in Weimar. His „Pedagogic Sktechbook“ was first published in 1925 by Walter Gropius and Laszlo Moholy-Nagy as volume 2 of the series „bauhausbücher“. From this book Paul Klee’s notion of the arrow ist quoted and made the theme of this artist’s book. The ideas of Klee’s …