Ethical approaches to animal-based science: Proceedings of the Joint ANZCCART/NAEAC Conference held in Auckland, New Zealand, 19-20 September, 1977, v + 159pp, ANZCCART, New Zealand, 1998 / Groves, Julian McAllister, Hearts and Minds, 230pp. Temple University Press, Philadelphia, 1997 / Lesley J. Rogers and Gisela Kaplan. Not Only Roars and Rituals: Communication in Animals, x + 230pp Allen and Unwin, Sydney, 1998 / Clark, Stephen R. L., Animals and their Moral Standing, viii + 194pp., Routledge, London and New York, 1997.