Abstract
1As an editor of this journal, John Woods and his distinguished contributions to logic, reasoning, and argumentation need little introduction. However, this book is partly a fruit of his relatively recent collaboration with Dov Gabbay, which deserves some elaboration. They have co-edited some monumental reference collections, e.g.: Handbook of the Logic of Argument and Inference: The Turn toward the Practical and Logic: A History of Its Central Concepts. And they are co-authoring an ambitious multi-volume work collectively entitled A Practical Logic of Cognitive Systems. The first two volumes, Agenda Relevance: A Study in Formal Pragmatics and The Reach of Abduction: Insight and Trial, each contain contributions by both authors, such that Woods wrote the philosophical conceptual parts and Gabbay the formal mathematical parts. However, due to a change of publisher and the excessive length of the earlier volumes, they decided to publish the third volume as two separate single-authored bo