675. 25 French soft cover books by J. J. Rosseau(1712-1778). Printed in Paris 1833. Complete set of 25 books. Jean-Jacques Rosseau was a Genevan philosopher, writer, and composer of the 18th century. His political philosophy influenced the French Revolution as well as the overall development of modern political, sociological and educational thought. French text. This style of books are very sought after for their decorative appeal and in this case the subject matter, condition and being a full set(25).