Information design has become a handy catchword used blithely across a wide range of professional disciplines. Yet, when asked what it means, we quickly realize the difficulty in providing a satisfactory answer. “Information Design Source Book” offers to detail this complex discipline by offering a deconstructed look at the definition of information design in general and the design of this book in particular, as an example. In fact, the book becomes a superb example of a well conceived object of information design – easy to navigate and aided by timely elucidations. With over 100 contributors addressing the topics products/services, signage/directions, corporate communications, methods/tools and education/research/science this book should become a source for those seeking ideas and inspirations, looking for professionals to assist their problem solving, or seeking new partnerships.