DE Ellis Hillman; Richard C. Trench: Hodder & Stoughton, 1988. Texto en inglés. Illustred. 224 pp. 26 x 20. Tapa blanda de editorial ilustrada. Sin subrayados. Perfecto estado de conservación. ISBN: 9780719546174. A revised edition of a guide covering the latest underground developments in London, such as the substation beneath Leicester Square, underground railways and glass fibre communication together with a gazetteer of places open to the public.