New Book: Hanging By A Thread

I have just published my new book on the History, Science, Technology and Culture of rock climbing and mountaineering. It is a fascinating overview of climbing and science where I look at how one effected the other. The book would be of interest to any climber or instructor. As it has hundreds of stories from climbing and mountaineering that I have used to entertain and educate many of the people I teach.

You can get a copy at the link below.