This is a step-by-step guide to Kant's first work on moral philosophy. "Kant's Groundwork of the Metaphysics of Morals" is considered a standard text in the history of moral philosophy as well as a classic work of moral philosophy in its own right. This guide provides a paragraph-by-paragraph account of the main themes of Kant's moral philosophy and a clear statement of his overall philosophical aims and arguments. It is an essential toolkit for anyone approaching Kant for the first time.