The Ebb Tide

Deep beneath the quicksands of Morecambe Bay lies a shifting graveyard of lost things, long sunk to the sea bottom. Pursued by the nefarious Dr. Narbondo, Langdon St. Ives and his stalwart companions descend beneath the sands in a diving chamber, and amid the debris of human bones and the wreckage of human lives, they search for an alien device, which, in the wrong hands,could change the course o...