Many 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 best diagrams to help anyone with problem solving and thinking. Each of the diagrams is presented on one spread, explained simply, and accompanied by an exercise to help you apply them to your own situation. This 5th anniversary edition celebrates sales of 50,000 worldwide and includes brand new material, plus a cross-referenced thematic index to guide you direct to the most appropriate examples.