MedusaIn the Micronesian Islands, a top secret US undersea lab vanishes At the same time, off Bermuda, a bathysphere operated by NUMA and overseen by Kurt Austin is attacked and becomes stranded half a mile below the surface. Only quick thinking and bold action will save the crew which includes the head of a certain, now missing undersea lab from a watery grave. Austin is convinced both events are connected, and he puts NUMA on the case. Soon he's