A wristwatch-smuggling gang bring watches into the country in a car's petrol tank. Poor Zena Marshall knows too much, so the gangs abducts her....

The work of Peter Ketley on Fisheries Research in Devon is being disorganised by a mysterious new method of salmon poaching. His young brother Bob,...

An American investigator for the U.N., a German scientist and a British reporter join forces to investigate a series of disappearances and...