Terms such as shyness, logophobia and mutism overlap, and boundaries between them are unfixed and blurred. Until now they have, for the most part, been described separately; in our book, we point out the relationship among them. There are many individuals who are shy, and some of them experience communication anxiety, which is present with individuals diagnosed with mutism. It is easier to understand mutism when shyness and logophobia have been explained first. Such an approach has influenced the structure of our monograph. We begin this treatise with the definition of shyness and an attempt...