Tonight on twitter I spotted that Mark is actually in London on May 12th giving a lecture on The History + Technology of Climbing. Tickets are £10 and the talk commences at 7pm. As he normally spends most of his time in Snowdonia this is a real one off opportunity to hear one of the world leading experts in climbing and mountaineering speak.
Want to know more? Well here in Mark's own words is the background to how he came to write Hanging by a Thread - the book that forms the basis for this talk.....