The true importance of signage and wayfinding systems only becomes evident when they do not work. This book presents the unsung heroes of functional graphic design. 'Left, Right, Up, Down' presents current approaches to design that provide orientation in and around buildings. The book provides myriad examples that combine graphic design and architecture so well that the result meets the specific navigational needs of the situation. The range of attractive, experimental, low-budget, and flexible solutions make it an inspirational and insightful examination of current possibilities for practical applied information graphics.