Porphyry of Tyre was a third-century Neoplatonic philosopher and follower of Plotinus. He edited and published ‘The Enneads’, the only collection of his teacher’s work. Porphyry also wrote original works in Greek on a wide variety of topics, including philosophy, religion, vegetarianism, philology and science, while revealing a scholarly care in citing authorities. His influential work ‘Isagoge’, an introduction to logic and philosophy, was the standard textbook on logic throughout the Middle Ages. Surviving fragments of ‘Against the Christians’, which was condemned in 448 to be burned, marked him as a fierce critic of the new religion. Delphi’s Ancient Classics series provides eReaders with the wisdom of the Classical world, with both English translations and the original Greek texts. This eBook presents Porphyry’s collected works, with illustrations, introductions and the usual Delphi bonus material. (Version 1) * Beautifully illustrated with images relating to Porphyry's life and works * Features the collected works of Porphyry, in both English translation and the original Greek * Concise introductions to the major works * Includes translations by Stephen MacKenna, Kenneth Sylvan Guthrie, Octavius Freire Owen and Thomas Taylor * Excellent formatting of the texts * Easily locate the sections you want to read with individual contents tables * Includes Porphyry's rare treatises * Provides a dual English and Greek text for four of the major works, allowing readers to compare the sections paragraph by paragraph — ideal for students * Features a bonus biography CONTENTS: The Translations Life of Plotinus Life of Pythagoras Isagoge On the Faculties of the Soul Against the Christians On the Cave of the Nymphs in the Odyssey On the Abstinence of Eating Animals Aids to the Study of the Intelligibles Letter to Marcella Letter to the Egyptian Anebo The Greek Texts List of Greek Texts The Dual Texts Dual Greek and English Texts The Biography Brief Biography: Porphyry

The father of geometry, Euclid was a Greek mathematician active in Alexandria during the reign of Ptolemy I (323-283 BC). His treatise on geometry, ‘Elements’, is one of the most influential works in the history of mathematics, serving as the main textbook for teaching mathematics from the time of its first publication until the early twentieth century. In the ‘Elements’, Euclid deduces the theorems of what is now called Euclidean geometry from a small set of axioms. Euclid compiled his treatise from a number of works of earlier mathematicians including Pythagoras, Hippocrates of Chios and Eudoxus of Cnidus, preserving many otherwise lost ideas. One of the very earliest mathematical works to be printed after the invention of the printing press, it has been estimated that ‘Elements’ is second only to the Bible in the number of editions published. Delphi’s Ancient Classics series provides eReaders with the wisdom of the Classical world, with both English translations and the original Greek texts. This comprehensive eBook presents Euclid’s collected (almost complete) works, with illustrations, informative introductions and the usual Delphi bonus material. (Version 1)* Beautifully illustrated with images relating to Euclid's life and works * Features the collected works of Euclid in English translation * Includes the original Greek text of ‘Elements’ * Includes Thomas Heath’s seminal translation of ‘Elements’ for Cambridge University Press * Excellent formatting of the texts * Includes Euclid's rare work ‘Optics’, first time in digital print * Features a bonus biography — discover Euclid's ancient world * Scholarly ordering of texts into chronological order and literary genresPlease visit www.delphiclassics.com to explore our range of Ancient Classics titles or buy the entire series as a Super SetCONTENTS:The Translations Elements (translated by Thomas Heath) Data (translated by Robert Simson) On Divisions of Figures (translated by Raymond Clare Archibald) Optics (translated by Harry Edwin Burton)The Greek Text ElementsThe Biography Euclid by John Sturgeon MackayPlease visit www.delphiclassics.com to browse through our range of exciting titles

A scholar of the Biblical canon, Eusebius of Caesarea became counsellor of Constantine the Great and is regarded as an extremely learned Christian of the fourth century. Today his fame chiefly rests as a historian, whose pioneer work ‘Ecclesiastical History’ provides a chronological account of the development of Early Christianity from the first century to the fourth century. Eusebius also wrote an informative ‘Life of Constantine’, famously narrating the emperor’s victory at the Battle of the Milvian Bridge and his dramatic conversion to Christianity. Delphi’s Ancient Classics series provides eReaders with the wisdom of the Classical world, with both English translations and original Greek texts. This comprehensive eBook presents Eusebius’ collected works in English translation, with illustrations, informative introductions and the usual Delphi bonus material. (Version 1) * Beautifully illustrated with images relating to Eusebius’ life and works * Features all of the major works of Eusebius in English translation * Includes the Greek text of Eusbeius’ ‘Historia ecclesiastica’ * Concise introductions to the major works * Rare translations provided by contributors to www.tertullian.org * Excellent formatting of the texts * Easily locate the sections you want to read with individual contents tables * Features a bonus biography — discover Eusebius’ ancient world Please visit www.delphiclassics.com to explore our range of Ancient Classics titles or buy the entire series as a Super Set CONTENTS: The Translations Chronicle (Translated by Andrew Smith) Six Selected Passages from ‘Commentary on the Psalms’ (Translated by Fr. Alban Justinus) Against Hierocles (Translated by F.C. Conybeare, Loeb Classical Library, 1912) The Proof of the Gospel (Translated by W. J. Ferrar, 1920) On the Celebration of Easter (Translated by Andrew Eastbourne) Encomium on the Martyrs (Translated by B. H. Cowper, 1864) The History of the Martyrs in Palestine (Translated by William Cureton, 1861) Ecclesiastical History (Translated by Arthur Cushman McGiffert) Life of Constantine (Translated by Ernest Cushing Richardson, 1890) Letter to Carpianus on the Gospel Canons (Translated by Mark DelCogliano) Concerning the Place Names in Sacred Scripture (Translated by C. Umhau Wolf) The Preparation of the Gospel (Translated by E.H. Gifford, 1903) Theophania (Translated by Samuel Lee, 1843) On the Star (Spurious) (Translated by William Wright, 1866) The Greek Text Historia ecclesiastica The Biography The Life and Writings of Eusebius of Cæsarea by Arthur Cushman McGiffert Please visit www.delphiclassics.com to browse through our range of exciting titles

The Greek sophist and historian Eunapius flourished in the late fourth century AD and was the author of ‘Lives of Philosophers and Sophists’, a collection of 23 biographies, which is valuable as the only source on Neoplatonism of that period. The text covers figures of personal or intellectual significance, from Plotinus to Chrystanthus, including the remarkable woman, Sosipatra, a Neoplatonist philosopher that lived in Ephesus and Pergamon in the first half of the fourth century. Eunapius also analyses the life and work of Iamblichus and his students. Delphi’s Ancient Classics series provides eReaders with the wisdom of the Classical world, with both English translations and the original Greek texts. This eBook presents Eunapius’ complete extant works, with illustrations, informative introductions and the usual Delphi bonus material. (Version 1) * Beautifully illustrated with images relating to Eunapius’ life and work * Features the complete extant works of Eunapius, in both English translation and the original Greek * Concise introduction to the text * Includes Wilmer Cave Wright’s translation, with the original footnotes, previously appearing in the Loeb Classical Library edition of Eunapius * Excellent formatting of the texts * Easily locate the sections you want to read with individual contents tables * Provides a special dual English and Greek text, allowing readers to compare the sections paragraph by paragraph — ideal for students * Features a bonus biography — discover Eunapius’ ancient world * Ordering of texts into chronological order and literary genres Please visit www.delphiclassics.com to explore our range of Ancient Classics titles or buy the entire series as a Super Set CONTENTS: The Translation Lives of the Philosophers and Sophists The Greek Text Contents of the Greek Text The Dual Text Dual Greek and English Text The Biography Introduction to Eunapius (1921) by Wilmer Cave Wright Please visit www.delphiclassics.com to browse through our range of exciting titles

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The philosopher and theologian, Saint Augustine, one of the Latin Fathers of the Church, created a theological system of great power and lasting influence. His numerous written works, including ‘Confessions’ and ‘City of God’, laid the foundation for much of medieval and modern Christian thought. Delphi’s Ancient Classics series provides eReaders with the wisdom of the Classical world, with both English translations and the original Latin texts. This comprehensive eBook presents Augustine’s collected works, with relevant illustrations, informative introductions and the usual Delphi bonus material. (Version 1) * Illustrated with images relating to Augustine's life and works * Features almost the complete works of Augustine * Concise introductions to the major works * Includes translations previously appearing in the ‘Nicene and Post-Nicene Fathers Series’, edited by Philip Schaff * Images of famous paintings inspired by Augustine * Excellent formatting of the texts * Easily locate the chapters or works you want to read with individual contents tables * Provides special dual English and Latin texts of ‘Confessions’ and ‘City of God’, allowing readers to compare the sections chapter by chapter– ideal for students * Features two bonus biographies – discover Augustine's ancient world * Scholarly ordering of texts into chronological order and literary genres Please visit www.delphiclassics.com to explore our range of Ancient Classics titles or buy the entire series as a Super Set CONTENTS: The Translations ON CHRISTIAN DOCTRINE (De doctrina Christiana) CONFESSIONS (Confessiones) THE CITY OF GOD (De civitate Dei) ON THE TRINITY (De trinitate) ENCHIRIDION (Enchiridion ad Laurentium, seu de fide, spe et caritate) ON THE CATECHISING OF THE UNINSTRUCTED (De catechizandis rudibus) ON FAITH AND THE CREED (De fide et symbolo) CONCERNING FAITH OF THINGS NOT SEEN (De fide rerum invisibilium) ON THE PROFIT OF BELIEVING (De utilitate credendi) ON THE CREED: A SERMON TO CATECHUMENS (De symbolo ad catechumenos) ON CONTINENCE (De continentia) ON THE GOOD OF MARRIAGE (De bono coniugali) ON HOLY VIRGINITY (De sancta virginitate) ON THE GOOD OF WIDOWHOOD (De bono viduitatis) ON LYING (De mendacio) TO CONSENTIUS: AGAINST LYING (Contra mendacium) ON THE WORK OF MONKS (De opere monachorum) ON PATIENCE (De patientia) ON CARE TO BE HAD FOR THE DEAD (De cura pro mortuis gerenda) ON THE MORALS OF THE CATHOLIC CHURCH (De moribus ecclesiae catholicae) ON THE MORALS OF THE MANICHAEANS (De moribus Manichaeorum) CONTENTS ON TWO SOULS, AGAINST THE MANICHAEANS (De duabus animabus) ACTS OR DISPUTATION AGAINST FORTUNATUS THE MANICHAEAN (Acta contra Fortunatum Manichaeum) AGAINST THE EPISTLE OF MANICHAEUS CALLED FUNDAMENTAL (Contra epistulam Manichaei quam vocant fundamenti) REPLY TO FAUSTUS THE MANICHAEAN (Contra Faustum) CONCERNING THE NATURE OF GOOD, AGAINST THE MANICHAEANS (De natura boni contra Manichaeos) ON BAPTISM, AGAINST THE DONATISTS (De baptismo) THE CORRECTION OF THE DONATISTS (De correctione Donatistarum) ON MERITS AND REMISSION OF SIN, AND INFANT BAPTISM (De peccatorum meritis et remissione et de baptismo parvulorum) ON THE SPIRIT AND THE LETTER (De spiritu et littera) ON NATURE AND GRACE (De natura et gratia) ON MAN’S PERFECTION IN RIGHTEOUSNESS (De perfectione iustitiae hominis) ON THE PROCEEDINGS OF PELAGIUS (De gestis Pelagii) ON THE GRACE OF CHRIST, AND ON ORIGINAL SIN (De gratia Christi et de peccato originali) ON MARRIAGE AND CONCUPISCENCE (De nuptiis et concupiscientia) AGAINST TWO LETTERS OF THE PELAGIANS (Contra duas epistulas Pelagianorum) ON GRACE AND FREE WILL (De gratia et libero arbitrio) ON THE PREDESTINATION OF THE SAINTS (De praedestinatione sanctorum) OUR LORD’S SERMON ON THE MOUNT (De sermone Domini in monte) ON THE HARMONY OF THE EVANGELISTS (De consensu evangelistarum) TREATISES ON THE GOSPEL OF JOHN (In Iohannis evangelium tractatus) SOLILOQUIES (Soliloquiorum libri duo) ENARRATIONS, OR EXPOSITIONS, ON THE PSALMS (Enarrationes in Psalmos) ANSWER TO THE LETTERS OF PETILIAN, BISHOP OF CIRTA (Contra litteras Petiliani) SERMONS, AMONG WHICH A SERIES ON SELECTED LESSONS OF THE NEW TESTAMENT OUR LORD’S SERMON ON THE MOUNT HOMILIES, AMONG WHICH A SERIES ON THE FIRST EPISTLE OF JOHN Selected Latin Texts LIST OF LATIN TEXTS The Dual Texts DUAL LATIN AND ENGLISH TEXTS The Biographies SAINT AUGUSTINE OF HIPPO by Gustav Krüger ST. AUGUSTIN’S LIFE AND WORK from Schaff’s Church History The Delphi Classics Catalogue Please visit www.delphiclassics.com to browse through our range of exciting titles

The third century philosopher Iamblichus of Chalcis was a major figure in the school of Neoplatonism and the founder of its Syrian branch. He was also a notable biographer of the Greek philosopher and mathematician Pythagoras. Aside from Iamblichus’ own philosophical contribution, the ‘Protrepticus’ is of importance for the study of the Sophists, owing to its preservation of several pages of an otherwise unknown Sophist philosopher. Delphi’s Ancient Classics series provides eReaders with the wisdom of the Classical world, with both English translations and the original Greek texts. This comprehensive eBook presents Iamblichus’ complete extant translations, with illustrations, rare works and the usual Delphi bonus material. (Version 1) * Beautifully illustrated with images relating to Iamblichus’ life and works * Features the complete extant English translations of Iamblichus * Rare Greek texts * Provides multiple translations of ‘Life of Pythagoras’ * Excellent formatting of the texts * Easily locate the sections you want to read with individual contents tables * Includes rare translations of ‘Protrepticus’ and Iamblichus’ fragments, first time in digital print * Features a bonus biography — discover Iamblichus’ ancient world * Ordering of texts into chronological order and literary genres CONTENTS: The Translations Life of Pythagoras (tr. Thomas Taylor, 1818 and Kenneth Sylvan Guthrie, 1919) Protrepticus (tr. Thomas Moore Johnson, 1909) De Mysteriis (On the Egyptian Mysteries) (tr. Thomas Taylor, 1818) Fragments of Iamblichus(tr. Thomas Moore Johnson, 1909) The Greek Texts List of Greek Texts The Biography Iamblichus by William Ritchie Sorley Please visit www.delphiclassics.com to browse through our range of exciting titles