Medieval History

(The New Heritage series), frontispiece and illustrations from b&w photographs and line-drawings, ground-plans, index, 208 pp, ex-library copy (though the only library marks are on the endpapers), green cloth (no d/w), top and base of spine rubbed, bottom corners a little bumped, Batsford 1954

22.3 x 14.3 cm, 640g, no ISBN

Looks at castles from the historical point of view, to explain the importance of the castle in medieval life and society.  See the extracts below from the book's preface.