by Otto Muller This series of books have a vocabulary of about 300 words. They are conceived and tested to encourage active reading: on the left, the reading part and on the right the active part. On each side are grammar games and activities to improve the studen'ts knowledge and test his own understanding of the story. Christmas, or Weihnachten, is considered by Germans to be the most important of the major holidays. The Santa is a symbol of Christmas gift giving.