Hugh Petrie, the author of the chapters in this anthology, spent his entire professional life as a philosopher, philosopher of education, and educational administrator fascinated by the questions of how we learn and how we know what we learn. The chapters in this anthology are selected from the articles and book chapters he published during his career. They include critiques of behaviorism and its supposed relevance to educational practice, analyses of the issues involved with interdisciplinary education, the nature of conceptual change, the role of metaphor as an essential component in...