The War at Sea - The History of the Second World War.
By Captain S. E. Roskill, D.S.C., R.N., 3 Volumes (Volume 3 split into two parts), published by H.M.S.O. 1951, 1956, 1960, and 1961, 664pp, 523pp, 430pp, and 502pp respectively, all with photographic plates, maps, and indexes, all with their fly leaf covers, the covers a little worn, the books themselves in excellent condition (4) £60-£80