With a foreword by Robert Macfarlane Pebble-hunting is a pleasant hobby that makes little demand upon one's patience and still less upon one's physical energy. (You may even enjoy the hunt from the luxurious sloth of a deck chair). One of the true delights of the pebble-seeker is to read the stories in the stones - to determine whence and by what means they came to be there. We must always bear in mind...