This book aims to show how the Maximum Entropy (MaxEnt) approach has changed deeply the traditional research methods in regional and urban geography as the result of paradigm shifts occurred during the last 50 years. MaxEnt method as pioneered by A. Wilson (1967,1970) and "Spatial Entropy" concept by M. Batty (1974) have been based on the Information Theory that was founded by Shannon (1948), E.T.Jaynes (1957) and Kullback (1959) and others. Information Theory has provided the theoretical foundation for challenging the uncertainty and incomplete information issues concerning the complex urban...