Celebrating Festivals with Children - Freya JaffkeThis meticulously written book by Freya Jaffke, she describes the annual festivals in relation to the development of the growing child up to 7 years old. She describes festivals like: Easter, St. Michael, birthdays, Advent and Christmas. Language: English. Freya Jaffke, born in 1937, is an experienced Waldorf school kindergarten teacher. For many years she worked in Reutlingen, following this she taught at home and abroad.