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ILLUSTRATIONS
- "The Flying Mermaid sank lower and lower into the mysterious hole." Frontispiece1
- "The lower part of the Flying Mermaid scraped the whale's back." Chapter V 2
- "Up in the air the creature shot." Chapter XXIII 3
- "The big men had gathered in a compact mass." Chapter XXV 4
- Advertisement for THE GREAT MARVEL SERIES by Roy Rockwood 5
- Advertisement for THE COLLEGE SPORTS SERIES by Lester Chadwick 6
- Advertisement for THE BOY HUNTER SERIES by Captain Ralph Bonehill 7
- Advertisement for THE JACK RANGER SERIES by Clarence Young 8
- Advertisement for SEA STORIES FOR BOYS by John Gabriel Rowe 9
- Advertisement for NOBODY'S BOY by Hector Malot 10
- Advertisement for THE KING OF THE MOUNTAINS by Edmond About 11
- Advertisement for TOM MARTIN THE BREAKER BOY by R.P.Phelps 12
- Advertisement for THE JEWEL SERIES 13
- Advertisement for THE WEBSTER SERIES 14
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