I. Introduction: The Method for the Book. A. Historical Outline. B. Method of Analysis -- II. The Masoretic Text of Isaiah 23. A. Verses 1-14. B. Verses 15-18. C. Division, Style and Contents -- III. The Septuagint of Isaiah 23 as Text. A. LXX Isaiah 23 compared with MT. B. LXX Isaiah 23 in its own right. C. Concluding remarks -- IV. The Septuagint of Isaiah 23 as a Vision. A. Prophecy as prediction. B. LXX Isaiah 23 as updated prophecy. C. Concluding remarks -- V. The Septuagint of Isaiah 23 and its Hebrew Vorlage. A. The translator as scribe. B. The Hebrew text underlying LXX Isaiah 23 and the way it was interpreted. C. Isaiah 23 according to 1QIsa[superscript a]. D. Concluding remarks -- VI. The Septuagint of Isaiah 23: Revision and Reception. A. Theodotion. B. Hexaplaric text, and its interpretation by Eusebius, and Jerome. C. Antiochene text, and its interpretation by Theodoret of Cyrrhus. D. Alexandrinian text, and its interpretation by Cyril of Alexandria.