Preface Introduction 1 Information Sources 1.1 Probability Spaces and Random Variables 1.2 Random Processes and Dynamical Systems 1.3 Distributions 1.4 Standard Alphabets 1.5 Expectation 1.6 Asymptotic Mean Stationarity 1.7 Ergodic Properties 2 Pair Processes: Channels, Codes, and Couplings 2.1 Pair Processes 2.2 Channels 2.3 Stationariw Properties of Channels 2.4 Extremes: Noiseless and Completely Random Channels ……