Hogg Ian V. Fortress: A History of Military Defense

St Martin's, 1977. — 160 p. — ISBN-10 031229977X, ISBN-13 978-0312299774Fortification is the oldest military science, and the this splendidly illustrated book tells the story of fortification from the days when prehistoric men tool cover behind ramparts of earth, to the days when the allied air forces blasted rocket-propelled bombs into hitler's submarine pens and the concrete defences of the atlantic wall.