Book excerpt: Leibniz is a major figure in western philosophy and, with Descartes and Spinoza, one of the most influential philosophers of the Rationalist School. The Monadology is his most famous work and one of the most important works of modern philosophy. Leibniz and the Monadology introduces and assesses: *Leibniz's life and the background to the Monadology *the ideas and text of the Monadology*Leibniz's continuing importance to philosophy Leibniz and the Monadology is ideal for anyone coming to Leibniz for the first time. It also includes the text of the Monadology, specially translated for this GuideBook by Anthony Savile.