"The highly visible waterworks that humans put on display present a puzzle. Why do we need a signal that other primates do without, and what exactly is its meaning? Densely packed with the latest research on weeping, this book is a must read for anyone interested in the topic."

Frans de Waal, author of "The Age of Empathy"

"Tears still are a poorly understood phenomenon among emotional phenomena, because humans are the only species who produce tears when experiencing certain emotions. This volume provides important contributions towards a better insight. It discusses all relevant problems and issues, in a more thorough way than has ever been done previously, it demonstrates the failures of some generally accepted suppositions, and comes up with some important first steps towards a better understanding of weeping. Why only humans weep. Unraveling the mysteries of tears is rich and interesting reading; I have learned a lot from reading it."

Nico H. Frijda, author of "The Emotions"

"Ad Vingerhoets' book is a wonderful invitation to the study of one of the most dramatic, if not the most dramatic, facial behaviors: crying. Researchers, practitioners and students will enjoy an extremely well structured, entertaining and complete guide to the conceptual and empirical advances in the study of crying. As Vingerhoets makes clear, understanding crying is definitely a crucial challenge on the path to understanding facial behavior and, by extension, human nature. This book is an important contribution to such an endeavor."

Jose-Miguel Fernandez-Dols - Madrid

For more information, see www.advingerhoets.com