Published by Essex County Council, Chelmsford, 1970, 1st edition. ERO publication number 56. Black cloth boards, gilt lettering to spine under white dustwrapper with illustrated front cover. 9.75ins x 6.25ins, endpapers as coloured maps, xvi, 354pp plus frontis and 18pp plates (25 images). Some grubby marks to rear of dw. VG / G+.