24 Chapters
- 1 A NEW VENTURE IN SANDY BEACH.
- 2 MR. HARDING DECLARES HIMSELF.
- 3 A NAVAL VISITOR.
- 4 IN A STORM.
- 5 PEGGY A HEROINE.
- 6 FARMER GALLOWAY'S "SAFE DEPOSIT."
- 7 A CASE FOR THE AUTHORITIES.
- 8 MR. MORTLAKE LOSES SOME DRAWINGS.
- 9 THE FLIGHT OF THE "SILVER COBWEB."
- 10 AN AERIAL POST OFFICE.
- 11 THE MARKED BILL.
- 12 WHAT HAPPENED TO ROY.
- 13 PLOT AND COUNTERPLOT.
- 14 HOW THEY WORKED OUT.
- 15 WHAT MORTLAKE DID.
- 16 MISSING SIDE-COMB.
- 17 JIMSY'S SUSPICIONS ARE ROUSED.
- 18 A BOLT PROM THE BLUE.
- 19 THE GATHERING OF THE MAN-BIRDS.
- 20 AN UNEXPECTED MEETING.
- 21 THE START OF THE SKY CRUISE.
- 22 THE WHITE PERIL.
- 23 OUT OF THE CLOUDS.
- 24 FRIENDS AND FOES—CONCLUSION.