In this book the author, a world authority on outdoor education, attempts to define some of the deeper values implicit in the outdoor adventure experience. The book is in two main sections. In the first the author seeks to establish a broad framework of levels of adventure, as well as emphasising the importance both of the quality of the experience and of the possibilities of adventure being instinctive. Next, he develops his personal philosophy on the potential value of the outdoor experience. Adventure in the natural environment is consciously to take up a challenge that will demand the best of our capabilities - physically, mentally and emotionally. In its ability to develop the key human virtues, which are crucial to any satisfying lifestyle, the outdoor experience has considerable potential value for the individual and for society as a whole.