In the action-packed novel “The Last Frontier,” British secret agent Michael Reynolds receives a mission to infiltrate Hungary, find and kidnap Professor Harold Jennings, one of the outstanding developers of ballistic missiles... This task was comparable to searching for a needle in a haystack. British drifting station "Z" was on fire. People died... The American nuclear submarine Dolphin is sent to help the winterers. Along the way, the submarine is plagued by misfortunes that almost end in the death of the crew... An investigation is underway, from which it becomes clear that a crime has been committed...