Argumentative text processing is concerned with the psychology of the production and comprehension of argumentative texts. This volume contains a collection of papers which each provide a survey of the state of the art in research on argumentative text processing. The rationale behind the choice of topics is our focus on fundamental components of the argumentative process. To this end, the chapters discuss the topics of reasoning, argumentative theory, social context, interaction, development, knowledge, planning and translating, education, collaboration and electronic argumentation. Although the focus of this book on written text production, it also contains a number of chapters on oral argumentation. This book is the first that has assembled the world's leading scholars on argumentation to discuss these issues. It should serve as a basic overview of the field for many years to come.