1. Preface to the American Edition免费
  2. Chapter I免费
  3. Chapter II. 1833-1851.免费
  4. Chapter III. 1851-1858.免费
  5. Chapter IV. 1859-1868.免费
  6. Chapter V. — Notes of Telegraph Voyages, 1858 to 1873.免费
  7. Chapter VI. — 1869-1885.免费
  8. Chapter VII. 1875-1885.免费
  9. Appendix免费