Chapter

 1 I    |                     Chapter I~MYSTERIOUS SOUNDS~BANG!
 2 II   |                     Chapter II~AGREEMENT IMPOSSIBLE~“
 3 III  |                     Chapter III~A VISITOR IS ANNOUNCED~
 4 IV   |                     Chapter IV~IN WHICH A NEW CHARACTER
 5 V    |                     Chapter V~ANOTHER DISAPPEARANCE~
 6 VI   |                     Chapter VI~THE PRESIDENT AND SECRETARY
 7 VII  |                     Chapter VII~ON BOARD THE ALBATROSS~“
 8 VIII |                     Chapter VIII~THE BALLOONISTS REFUSE
 9 IX   |                     Chapter IX~ACROSS THE PRAIRIE~In
10 X    |                     Chapter X~WESTWARD—BUT WHITHER?~
11 XI   |                     Chapter XI~THE WIDE PACIFIC~Uncle
12 XII  |                     Chapter XII~THROUGH THE HIMALAYAS~
13 XIII |                     Chapter XIII~OVER THE CASPIAN~The
14 XIV  |                     Chapter XIV~THE AERONEF AT FULL
15 XV   |                     Chapter XV~A SKIRMISH IN DAHOMEY~
16 XVI  |                     Chapter XVI~OVER THE ATLANTIC~Yes,
17 XVII |                     Chapter XVII~THE SHIPWRECKED CREW~
18 XVIII|                     Chapter XVIII~OVER THE VOLCANO~The
19 XIX  |                     Chapter XIX~ANCHORED AT LAST~When
20 XX   |                     Chapter XX~THE WRECK OF THE ALBATROSS~
21 XXI  |                     Chapter XXI~THE INSTITUTE AGAIN~
22 XXII |                     Chapter XXII~THE GO-AHEAD IS LAUNCHED~
23 XXIII|                     Chapter XXIII~THE GRAND COLLAPSE~