The collection of 32 books, including "The Transatlantic Mail" by Staff (1956), "Carrying British Mails Overseas" by Robinson (1964), "The History of the Sailing Packets to the West Indies" by Britnor (1973), "A History of Wreck Covers" by Hopkins (1948), "The British Postage Stamp" by Robson Lowe (1968), etc.; a good and useful group, mostly good to fine