Everything you need to understand or teach Myths of the Norsemen by Roger Loncelyn Green.
Perhaps as long ago as 8000 B.C., a group of nomadic tribes wandered south into India and westward into central Europe from a homeland somewhere west of the Caspian Sea. These divergent groups shared a common language (Indo-European), a knowledge of farming, and the worship of certain gods.
First among their gods was a sky god, probably named something like deva (as in India) or Diu (Zeus) as in Greece. The Romans called...