Chapter I
MYSTERY OF THE “HARPOON”
Chapter II
THE “HARPOON” PRISONER
Chapter III
SPOOK HOLE QUEST
Chapter IV
DOC SETS A TRAP
Chapter V
TWO HEADS
Chapter VI
THE ONE-ARMED ENIGMA
Chapter VII
THE PATAGONIA CABLE
Chapter VIII
NEWS FROM PATAGONIA
Chapter IX
DEATH PLANS
Chapter X
SASS ERRS
Chapter XI
DEATH IN THE NIGHT
Chapter XII
THE TERROR IN THE LAGOON
Chapter XIII
WAR IN SPOOK HOLE
Chapter XIV
MAN TRAP
Chapter XV
WAPP CLOSES IN
Chapter XVI
MELEE
