He describes the skills needed, such as map reading, prevention of accidents and precautions to counter hypothermia. The problems of inclement weather in the hills are discussed and advice given on weather forecasting as well as anticipating hazardous conditions, especially fog and mist, but also rain and snow. A whistle is an essential when seeking help, while a torch is vital should darkness fall when on the path. His guides include relevant maps and the photographs of key parts of the routes he describes. Some natural phenomena encountered in the hills, such as the Brocken spectre and glory are briefly mentioned.