Raging Sharks: When the crew of an underwater lab discovers an unearthly sunken object that's mysteriously attracting hundreds of sharks, they become a security riskand a target. Kraken Tentacles of the Deep: Thirty years ago, Ray Reiter witnessed the brutal deaths of his parents at sea by a strange, octopus-like creature. Now determined to avenge their murders, he joins a perilous high-seas expedition that brings him face to face with the killer Kraken--guardian of the coveted Greek Opal--and a ruthless crime lord who wants the treasure for himself.
