Donna O’Meara, Volcano, London: Cassell Illustrated 2007. Signed and dated by Len Castle 2009; Karen Wind Volcanoes of the South Wind. Tongariro Natural History Society. Signed by Len Castle; E.F. Lloyd Geology of Whakarewarewa Hot Springs. New Zealand Geological Survey 1975. Signed and dated by Len Castle 1991. Plus two other items on volcanoes, unsigned. (5 items)