Books reviewed in this article:

Prochloron, a Mircobial Bnigma. Ed. by R. A. Lewin and L. Cheng. 129pp. New York & London: Chapman & Hall. 1989. Price £42. ISBN 0 4120 1901 9

Economic and Medicinal Plant Research, Volume 3. Ed. by H. Wagner, H. Hikino and N. R. Farnsworth.

Causes and Consequences of Variation in Growth Rate and Productivity of Higher Plants. Ed. by H. Lambers, M. L. Cambridge, H. Konings and T. L. Pons.

Envisioning Information. By E. R. Tufte.