I am talking on Thursday and Friday at the Abbey summer School here in Edinburgh and I am facing the challenge of setting down in writing things that I have, over the last twenty years, internalised and absorbed. It is a great deal more challenging than I thought! While doing some research, I found the following site, which I found to be very helpful and thought it would be of use to many others. It does a far better job of saying what I want to say, albeit over many pages and not in a twenty minute discussion.
Orthodox Prayer contains both practical and theological guides, with lots of useful information. Do let me know what you think!