OGDEN KRAUT - SEER STONES

I think you will find this book incredibly informative if you are curious about seer stones and their uses:

http://ogdenkraut.com/Seers%20and%20Seer%20Stones%20Bold.htm

Also, in light of the previous post on the Vikings using stones to detect the sun's position on a cloudy day, this video by Ogden's son, Kevin is quite fascinating to me:

http://www.youtube.com/watch?v=a-R47M3tTZQ

Enjoy!!