CHAPTER PAGE

I Peril in Paradise 1

II A Disturbing Call 5

III Worried Twins 11

IV Aloha! 18

V Detective Biff 25

VI The Letter 33

VII An Important Find 41

VIII The Police Call 51

IX Mysterious Message 61

X Starting a Search 70

XI Wharf Rats 76

XII Bomb Away 87

XIII A Near Miss 97

XIV Storm! 108

XV Men Missing 117

XVI Held Prisoner 123

XVII A Dangerous Dive 130

XVIII Exploring the Depths 141

XIX Reunion 152

XX Dawn Attack 160

XXI A Human Fish 166

XXII Check-Out 175

HAWAIIAN SEA HUNT MYSTERY