Particularly today, it is of great importance to draw children's attention to the diverse life in the forest, to help them develop their love for flora and fauna and to show them the vital symbiosis between humans and nature. The reader experiences the development of an acorn into a tree on the Orscholz treetop walk, gets to know the forest dwellers and neighbors of Eicha, the little oak tree, learns how the treetop walk was built, and then enters the magical world of Duffi the gnome, Gerne the elf and Grando the giant. Children are taught respect for nature and learn how important it is to protect our forests.