4 second hand books in my Philately catalogue.
Duck Stamps: Art in the Service of Conservation - Scott Wiedensaul
London: Dragon's World, Hardback, 1989, Hardback in Dust Wrapper £15.20
Stamp Collecting - E. H. Spire
Collins, Hardback, 1967, Hardback in Dust Wrapper £9.80
Stamps of Sweden and Finland: The Earlier Issues - Ernest H. [Harold] Wise
London: Heinemann, Hardback, 1975, Hardback in Dust Wrapper £68.30
Talks About Postage Stamps: Philately in Bristol - A. E. Hopkins
Bath: A. E. Hopkins, Hardback, 1927, Hardback £13.30