Book excerpt: All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior permission of Black Dog Publishing limited. Every effort has been made to trace the copyright holders, but if any have been inadvertently overlooked, the necessary arrangements will be made at the first opportunity. Black Dog Publishing Limited, London, UK, is an environmentally responsible company. Contemporary Art in Latin America: Artworld is printed on 170 gsm Garda Matt and 120 gsm Dito woodfree offset, both papers are FSC certified. Cover image: Helio Oiticica, Grande NUcleo (Grand Nucleus), 1960-1966, oil and resin on wood fibreboard (detail). Courtesy Cesar and Claudio Oiticica Collection, Rio de Janeiro.