Transactions is now available for RGS-IBG members at a special rate of £25. To take advantage of this special offer, go to the Transactions in GIS website and click on the Subscribe/Renew link. You will then see a table with prices and links to subscribe.
The Transactions in GIS website can be found here:
http://www.wiley.com/bw/journal.asp?ref=1361-1682