"An Introduction to the Philosophy of Knowledge" by Jennifer Trusted offers a concise and accessible introduction to the philosophy of knowledge, particularly aimed at students encountering this topic for the first time. The book illuminates the nature of philosophy as a field of study and emphasizes how philosophical considerations are not only intellectually engaging but also have practical applications. Trusted analyzes the approaches of significant Western philosophers, including Plato, Aristotle, Descartes, Locke, Berkeley, Hume, and Kant, and dedicates two chapters to the perspectives of A.J. Ayer and Norman Malcolm from the 20th century. The concluding section summarizes the various approaches and demonstrates how they contribute to clarifying our ideas. This work is significant for both beginners and those interested in the philosophy of knowledge, providing valuable insights into the development of philosophical thought.