The word "Pentwall" is not in the dictionary. Actually it has no meaning. But I thought it might tickle your curiosity.<br><br>If I headed this page as "Preface" probably you would not read it. Few people read Prefaces.<br><br>But I want to save you from having to wade through this book in order to find out what it is about. So I tell you, here and now, that it records incidents and impressions of my recent trip round Africa, and that one of its objects is to encourage people - especially Scouts and other young creatures - to travel. You see, life is short; yet much of it is wasted by people becoming vegetables, and not very satisfied or satisfactory vegetables at that. Whereas a little roaming about this wonderful globe while they are on it can give them that wider outlook and those greater sympathies which develop the soul in the individual and goodwill and peace in the world.<br><br>Knowing this of the book, you can now take it or leave it.