原文 (英语)

BY GEORGE ALLAN ENGLAND To Robert H. Davis Unique inspirer of plots Do I dedicate This my trilogy G.A.E. CONTENTS BOOK I The Vacant World I. The Awakening II. Realization III. On the Tower Platform IV. The City of Death V. Exploration VI. Treasure-Trove VII. The Outer World VIII. A Sign of Peril IX. Headway Against Odds X. Terror XI. A Thousand Years! XII. Drawing Together XIII.