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-size

100 Diagrams That Changed The World is a fascinating collection of the most significant plans, sketches, drawings and illustrations that have changed the way we

For anyone interested in mathematics or its history, Cogwheels of the Mind is invaluable and compelling reading.

Provides an introduction to understanding diagrams and discusses how famous thinkers used them and how diagrams are used in everday life.

'A picture is said to be worth a thousand words. A picture can easily be worth two or three equations, and it is certainly more memorable. I can draw and use an