The lay reader cannot fail to be absorbed by its dramatic tales of cat-and-mouse skirmishes with Soviet hunter-killer submarines, embarrassing spy scandals and lucid accounts of the Falklands War - all enlivened with first-hand testimony from the submariners themselves. -- Richard Blackmore * Independent * A tour de force, a valuable resource for naval historians and future generations to wonder at. And I can't help hoping that our current leaders will make themselves aware of some vitally significant issues that it raises. -- Admiral Lord West * Spectator *