Introduction, Fatema Amijee (University of British Columbia, Canada) Part I Émilie Du Ch'telet's Epistemology The Principle of Sufficient Reason and the Principle of Contradiction in Du Ch'telet, Michael Della Rocca (Yale University, USA) The Principle of Contradiction and its role in Du Ch'telet's Account of Knowledge, Clara Carus (Paderborn University, Germany) The Limits of Knowledge in Du Ch'telet's Philosophy, Anne-Lise Rey (University Paris Nanterre, France) Part II Émilie Du Ch'telet's Philosophy of Science and Metaphysics Du Ch'telet's Natural Theology, Stephen Harrop (Yale University, USA) The Principle of Sufficient Reason as a Principle of Reasoning in Du Ch'telet, Fatema Amijee (University of British Columbia, USA) Du Ch'telet's Philosophy of Mathematics, Aaron Wells (Paderborn University, Germany) Émilie Du Ch'telet on Space, Jeffrey McDonough (Harvard University) Émilie Du Ch'telet on the Role of Hypotheses, Karen Detlefsen (confirmation from author pending) Part III Émilie Du Ch'telet on Happiness, Freedom and the Imagination Èmilie Du Ch'telet on Freedom, Reason, and Happiness, Marcy P. Lascano (University of Kansas, USA) Du Ch'telet on Happiness and the Good Life, Julia Jorati (University of Massachusetts, USA) The Power of Illusion: Du Ch'telet on the Liberating Force of the Imagination, Julia Borcherding (University of Cambridge, UK) Part IV The Impact of Leibniz, Wolff and Newton on Du Ch'telet's Philosophy A Revisit to the Manuscript of the Institutions de Physique: New Insights into the Wolffian Impact, Phillip Sloan (University of Notre Dame, France) Newton and Newtonianism in Emilie Du Ch'telet's Instituions de physique , Sarah Hutton (University of York, UK) Beyond Newton and Leibniz: Du Ch'telet's Novel Argument in her Institutions de Physique, Andrew Janiak (Duke University, USA) Émilie Du Ch'telet's Influence Potential contributors: Qiu Lin (Duke University) Casper Jacobs (University of Pittsburgh) George E. Smith (Tufts University) Monica Solomon (Bilkent University) Bryce Gessell (Southern Virginia University) Index.