Philosophy and Abduction -- Theoretical and Cognitive Issues on Abduction and Scientific Inference -- The Logic of Hypothetical Reasoning, Abduction, and Models -- Abduction and Diagnosis -- Abduction in Mathematics -- Diagrams, Visual models, and Abduction -- Abduction in Cognitive Science and Neuroscience -- Abduction and Computation -- Abduction and Economics -- Abduction in Education and Human Sciences -- Abduction, Ignorance, and Creativity -- Abduction and Technological Design -- Adversarial Abduction (or Abduction and Adversariality).