Chas, I've found this reading list useful:
http://home.comcast.net/~verhulst/GBSC/read_lst/
And here's a very comprehensive list that I've found useful:
http://www.owp.us/Soaring.asp

-John

Chas (removethis and xxx) wrote:
I'm a SEL pilot looking to transition to gliders. I would welcome any
suggestions as to reading/study materials. Nice way to spend the winter
waiting for the spring and start of operations at local soaring facilities.

Thanks

Chuck