How Do Communities Come Together?

Ecological Assembly Rules Perspectives, advances, retreats. Evan Weiher and Paul Keddy, Eds. Cambridge University Press, Cambridge, 1999. 430 pp. $90, £55. ISBN 0-521-65235-9. Although it fails to present any major breakthroughs or new syntheses, this collection of articles does a good job demonstrating the increasingly sophisticated use of null models to test assembly patterns of community ecology.