The book "Pragmatism and Idealism" by the author William Caldwell is a study of two opposing philosophical concepts that have been pitted against each other in the history of philosophy. In the book, the author examines the essence of pragmatism and idealism, their approaches to problem solving and conflict resolution. Caldwell explores the historical roots of both philosophical schools, their development and interaction with other areas in philosophy. It reveals the key tenets of pragmatism, including its emphasis on practical experience and action, and idealism's claim to the importance of ideas and principles. Through the prism of the analysis of paradoxes and advantages of each of the approaches, the author offers the reader a deeper understanding of the essence of these philosophical concepts and their place in the history of philosophy. The book "Pragmatism and Idealism" opens to the reader an exciting world of philosophical debates and worldview contradictions that stimulate thought and the development of scientific knowledge.