On November 15th Orthodox Christians begin a forty day preparation period to celebrate the Nativity of our Lord, God and Savior Jesus Christ. Below are a few links which explore the themes and way of life emphasized during this period.
The Nativity Fast, Otherwise Known As Advent, Has Begun
Why the Nativity Fast Has Been Established
The Nativity Fast
The Nativity Fast and Orthodox Tradition
Reflections On The Nativity Fast
On the Benefits of Forty Liturgies For the Departed
Orthodox Christmas Resource Page