Zeuglodon

A skeletal hand clutching an iron key lies hidden within a mermaid's wooden sarcophagus; a hand-drawn map is stolen from beneath the floorboards an old museum; an eccentric sleeping inventor dreams of a passage to the center of the hollow earth, and by dreaming of the passage, brings it into being…. Pursued by kidnappers thinking of riches and murder, Katherine Perkins and her two cousins, junior ...