Murphy's Law - popularly known as Sod's Law - with acknowledgements to Parkinson's Law and the Peter Principle - explains the truth of man's existence: that if anything can go wrong, it will. In three volumes of Murphology, Arthur Block has provided the only comfort possible - laughter - for all those who have ever been exasperated by things going wrong, with a set of rules offering a wise and witty view of the human predicament in the cosmos.