9 out of 10 Climbers Make the Same Mistakes is a new book from Dave MacLeod, one of Britain`s best climbers, on how to navigate through the maze of advice available for the self-coached climber. There is now a huge choice of climbing-technique books offering all kinds of advice - Dave MacLeod`s new book is designed to filter out all the irrelevant information and home in on the essentials that will improve the reader`s climbing.