What to read after Off on a Comet!?

 INDEX
BOOK I.
CHAPTER I. A CHALLENGE
CHAPTER II. CAPTAIN SERVADAC AND HIS ORDERLY
CHAPTER III. INTERRUPTED EFFUSIONS
CHAPTER IV. A CONVULSION OF NATURE
CHAPTER V. A MYSTERIOUS SEA
CHAPTER VI. THE CAPTAIN MAKES AN EXPLORATION
CHAPTER VII. BEN ZOOF WATCHES IN VAIN
CHAPTER VIII. VENUS IN PERILOUS PROXIMITY
CHAPTER IX. INQUIRIES UNSATISFIED
CHAPTER X. A SEARCH FOR ALGERIA
CHAPTER XI. AN ISLAND TOMB
CHAPTER XII. AT THE MERCY OF THE WINDS
CHAPTER XIII. A ROYAL SALUTE
CHAPTER XIV. SENSITIVE NATIONALITY
CHAPTER XV. AN ENIGMA FROM THE SEA
CHAPTER XVI. THE RESIDUUM OF A CONTINENT
CHAPTER XVII. A SECOND ENIGMA
CHAPTER XVIII. AN UNEXPECTED POPULATION
CHAPTER XIX. GALLIA'S GOVERNOR GENERAL
CHAPTER XX. A LIGHT ON THE HORIZON
CHAPTER XXI. WINTER QUARTERS
CHAPTER XXII. A FROZEN OCEAN
CHAPTER XXIII. A CARRIER-PIGEON
CHAPTER XXIV. A SLEDGE-RIDE
BOOK II.
CHAPTER I. THE ASTRONOMER
CHAPTER II. A REVELATION
CHAPTER III. THE PROFESSOR'S EXPERIENCES
CHAPTER IV. A REVISED CALENDAR
CHAPTER V. WANTED: A STEELYARD
CHAPTER VI. MONEY AT A PREMIUM
CHAPTER VII. GALLIA WEIGHED
CHAPTER VIII. JUPITER SOMEWHAT CLOSE
CHAPTER IX MARKET PRICES IN GALLIA
CHAPTER X. FAR INTO SPACE
CHAPTER XI. A FETE DAY
CHAPTER XII. THE BOWELS OF THE COMET
CHAPTER XIII. DREARY MONTHS
CHAPTER XIV. THE PROFESSOR PERPLEXED
CHAPTER XV. A JOURNEY AND A DISAPPOINTMENT
CHAPTER XVI. A BOLD PROPOSITION
CHAPTER XVII. THE VENTURE MADE
CHAPTER XVIII. SUSPENSE
CHAPTER XIX. BACK AGAIN