OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
New work 1 : John McLean, Carl Plackman, David Hepher, John Walker, Anthony Hill, Robert Mason : [catalogue of an exhibition] at the Hayward Gallery from 5 November to 1 December 1975 by Arts Council of Great Britain. ISBN 0728700751. Published by Arts Council of Great Britain in 1975. Publication and catalogue information, links to buy online and reader comments.
![New work 1 : John McLean, Carl Plackman, David Hepher, John Walker, Anthony Hill, Robert Mason : [catalogue of an exhibition] at the Hayward Gallery from 5 November to 1 December 1975](http://ecx.images-amazon.com/images/I/51tJil2uu9L._SL160_.jpg)