Published by George Newnes, London, nd (foreword dated 1933), 1st illustrated edition in book form. Publishers half red leather binding with red cloth boards (the de-luxe edition). Gilt lettering and decoration to the spines. Each 10ins x 7.25ins., paginated continuously ( [ii], iv, 512, [ii], iv, pps 513-1024,[(ii], iv, pps 1025 - 1668). Each volume has a frontis and there are a very large number of black and white illustrations within the text. Previous owners signature to top of front free endpaper of volume one. A VG set. Nb set weighs 5.5kg pre packing - expensive to post overseas.