This series aims to encourage a positive attitude towards maths and numbers through a play-based learning approach. For each theme there is both an activity book and a game box, which can be purchased and used independently. The activity book is intended for use by children on their own, while the game ...
German environmental organizations have doggedly pursued environmental protection through difficult times: hyperinflation and war, National Socialist rule, postwar devastation, state socialism in the GDR, and confrontation with the authorities during the 1970s and 1980s. The author recounts the fascinating and sometimes dramatic story of these...