The Ship Breakers — Peter Tonkin

The new Mariner adventureRichard and Robin Mariner are supplying retired tankers to a Russian consortium. When Robin attracts the attentions of a shadowy group of men, she seeks refuge on board Prometheus4 and makes a desperate phone call to Richard. But Richard is incommunicado in Archangel police station, standing over a corpse found aboard Prometheus4 that very morning. And the Russian investigators suspect there are plenty more where that one came from...