Philby, H. St. J. B. (Harry St. John Bridger), The Heart of Arabia: A Record of Travel & Exploration in 2 volumes, complete, Constable and Co., London, 1922, First edition, hardcover, 8vos., original green cloth with gilt titles, 386, 354 pp., complete with b&w plates and 2 fold-out maps in rear of second volume. A scarce and valuable set. Philby was involved with many major events and figures in the Middle East during the first half of the 20th century, including Ibn Saud, T. E. Lawrence, the Balfour Declaration and the Suez Crisis.