Book excerpt: People find it difficult to express ideas and solve problems purely with words. They find it much easier to use diagrams. Distilled into this single, handy-sized volume are 60 of the most useful diagrams, which are used by the smartest managers and entrepreneurs globally, to aid their problem-solving and thinking. Triangles and pyramids, grids and axes, timelines, flows and concepts - the 60 diagrams are each visually presented, and then explained in an accessible manner, including tips and advice on how you can apply them to your own situations.