Stupsi explains the tree

The Book explains the laws of trees in the language of child through the hedgehog Stupsi. introduces everyone who likes trees or is responsible for trees into the body language of trees. points out dangers wich may result from trees. is the fruit of many years research at the Forschungszentrum Karlsruhe GmbH ( Karlsruhe Research Center), using the latest measuring and computer techniques. is conceived as a link between science and interested lay people.