I don't think 'Y Gromlech Yn Yr Haidd' is available in English. It's published by Gomer Press, so you could drop them a line and find out.
K x
Thanks, Kammer, Fourwinds. I'll chase it up and let you know how I get on.
With all the rich folklore about nasty things happening to those who interfere with the stones, a fictional reconstruction would be most interesting.
Cheers
Tim