Go In and Sink! - riveting, all-action WW2 naval warfare from Douglas Reeman, the all-time bestselling master of storyteller of the sea

As the balance of the war slowly shifts in Britain's favour, Lieutenant-Commander Steven Marshall brings his battle-scarred submarine into home port. Marshall must return to the Mediterranean, but this time to a very different kind of war. For his new command is secret and extremely hazardous - a captured German U-boat . .