Neurath (Marie) & Robin Kinross: The Transformer: principles of making Isotype charts. First edition, 8vo, 126p, ill., maps, 21cm, Hyphen Press, London, 2009.
Coloured illustrations within the text;semi-stiff pictorial wrappers, titled in red and black. This title explains the principles of Isotype charts - the transformation of information into visual/pictogram form - and delves into the theory behind the process, common to all design work. A fine copy.
Wiener Methode and Isotype: my apprenticeship and partnership with Otto Neurath; The work of the transformer; Lessons of Isotype; Marie Neurath (1898-1986).