Preface -- A History of the Study of Echolocation -- Phylogeny, Genes, and Hearing -- Implications for the Evolution of Echolocation in Bats -- Ultrasound Production, Emission, and Reception -- To Scream or to Listen? Prey Detection and Discrimination in Animal-Eating Bats -- Roles of Acoustic Social Communication in the Lives of Bats -- Guild Structure and Niche Differentiation in Echolocating Bats -- Neural Coding of Signal Duration and Complex Acoustic Objects -- The Neural Processing of Frequency Modulations in the Auditory System of Bats -- Behavioral and Physiological Bases for Doppler Shift Compensation by Echolocating Bats -- Perceiving the World Through Echolocation and Vision -- Perspectives and Challenges for Future Research in Bat Hearing -- Index.