Chapter 1: Are There Types of Abduction? An Inquiry into a Comprehensive Classification of Types of Abduction.- Chapter 2: Practical Abduction for Research on Human Practices: Enriching Rather than Testing a Hypothesis.- Chapter 3: Abductive Spaces: Modeling Concept.- Framework Revision with Category Theory.- Chapter 4: Abduction as "Leading Away": Aristotle, Peirce, and the Importance of Eco-Cognitive Openness and Situatedness.- Chapter 5: Methodeutic of Abduction.- Chapter 6: Abductive Regression.