Volume I presents the texts in new translations by the authors, and these are accompanied by a philosophical and historical commentary designed for use by all readers, including those with no background in the classical world. With its glossary and indexes, this volume can stand alone as an independent tool of study.

Contents
Preface; Introduction; Part I. Early Pyrrhonism; Part II. Epicureanism; Section 1. Physics; Section 2. Epistemology; Section 3. Ethics; Part III. Stoicism; Section 4. Ontology; Section 5. Logic and Semantics; Section 6. Epistemology: Stoics and Academics; Section 7. Physics; Section 8. Ethics; Part IV. The Academics; Part V. The Pyrrhonist Revival; Indexes.