"This catalogue is published in conjunction with the exhibition HR Giger, Das Schaffen vor Alien, 1961-1976, Bündner Kunstmuseum Chur, June 30 to September 9, 2007"--T.p. verso.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
HR Giger : the oeuvre before alien, 1961-1976 by H. R. Giger. ISBN 9783858811950. Published by Scheidegger & Spiess in 2007. Publication and catalogue information, links to buy online and reader comments.
