Chapter I
THE BULL-VOICED MIDGET
Chapter II
FOUR FRIENDS
Chapter III
THE OGRES AND THE BOYS
Chapter IV
SPELL OF THE OGRES
Chapter V
THE SPECIALIST IN MYSTERY
Chapter VI
TERROR AT THE AIRPORT
Chapter VII
THE MEAN MARCUS GILD
Chapter VIII
THE SHADOW OF A GIRL
Chapter IX
TROUBLE HAS A LOUD VOICE
Chapter X
AIR TRAIL
Chapter XI
BRONZE MAN DEAD
Chapter XII
QUARRELSOME HELP
Chapter XIII
THE FOXES AND THE TRAP
Chapter XIV
STOWAWAY
Chapter XV
ISLAND AND CAVERN
Chapter XVI
THE OGRE’S NEST
Chapter XVII
HELL IS UNDERGROUND
