Alex Cave is leisurely cruising his sailboat in Puget Sound when a hysterical voice on an oil tanker begs for help on the radio! He sees the behemoth ship through his binoculars an instant before it is engulfed in a brilliant flash of white light, and when he responds to the mayday and arrives before the Coast Guard, he discovers the crew and 80,000 tons of crude oil have mysteriously vanished without a trace!
"Makes you think"
Geologist Alex Cave is trying to recover an alien artifact from the crater of a dormant volcano in the Aleutian Islands when things go horribly wrong. The device is stolen and taken to COBRA, a privately owned top-secret research facility south of Yellowstone National Park. His good friend Doctor Henry Heinz is kidnapped and forced to assist with the experiments, but their tests begin creating adverse effects throughout the park and threaten a super volcanic eruption, which will smother the Earth in a blanket of dust for a thousand years.
"Best book of the series"
Geology instructor Alex Cave receives the urgent message from a friend in Northern Canada. "The polar ice sheet is mysteriously expanding by thousands of square miles in a matter of minutes!" He begins a desperate race to find the cause, and joins the crew on board the high-tech research ship Mystic, but Captain Dieter has other plans for the stealthy craft and changes course to an unknown island in the Bering Sea.
"Adventure! Suspense! Excitement!"