Locke on Human Understanding, is a comprehensive introduction to John Locke's major work, Essay Concerning Human Understanding. Locke's Essay remains a key work in many philosophical fields, notably in epistemology, metaphysics and the philosophies of mind and language. In addition, Locke is often referred to as the first English empiricist. Knowledge of this influential work and figure is essential to Enlightenment thought.

E. J. Lowe's approach enables students to effectively study the Essay by placing Locke's life and works in their intellectual and historical context. The book provides a critical examination of the leading themes in the Essay, illuminating the main lines in Locke's thinking. Such topics include innate ideas, perception, primary and secondary qualities, personal identity, free will, action and language. Finally, E. J. Lowe examines the comtemporary work being done on this highly influential English philosopher.