An overview and insight into the unique collection of the Norwegian art collector Erling Neby. Erling Neby is the owner of one of the most important and precious private collections of constructivist and concrete art in Europe, and even worldwide. Over a period of thirty years, Neby has been building up a collection which is today unequalled in the Nordic countries and is of international standards and fame. Thanks to more than 200 color plates by such artists as Josef Albers, Olle Baertling, Jean Dewasne, Emilio Gilioli, Jan Groth, Arne Malmedal, Aurelie Nemours, Lars G. Nordström, Jesus Rafael Soto, Victor Vasarely, Thornton Willis, the book gives an inspiring insight into the international constructivist art from the 1940s till today.