3 second hand books in my Technology catalogue.
Automation and the Future of Man - S. Demczynski
George Allen & Unwin, Hardback, 1964, Hardback in Dust Wrapper £9.50
Inventions That Changed the World: Working Wonders - Christine Noble
Reader's Digest, Hardback, 1996, Hardback £9.50
Tips for Time Travellers - Peter Cochrane
Orion Business, Hardback, 1997, Hardback in Dust Wrapper £7.50