"Everyone's favorite surfing detective, Kai Cooke, is back . . ." Waterman's Library. Surfing Detective Double Feature, Vol. 1, contains two popular Hawai'i mysteries in one volume: In MURDER ON MOLOKA'I Kai investigates a fatal plunge from the soaring cliffs above Kalaupapa's fabled leper colony. Boston heiress Adrienne Ridgely claims her sister Sara's fall from a mule on Moloka'i was no accident but murder, perpetrated by Sara's...