"I make no pretence of having withheld from the reader difficulties which are inherent to the subject. On the other hand, I have purposely treated the empirical physical foundations of the theory in a "stepmotherly" fashion, so that readers may not feel like the wanderer who was unable to see the forest for the trees."A layman's introduction to Einstein's ideas, Relativity gives readers an insight into the ideas of one of the best known and one of the most influential scientists in history.The ideas explained herein turned Einstein into a cultural icon, earned him a Nobel Prize and revolutionised modern physics. Few ideas in history can claim to have had such a scientific and cultural impact on human life.