A review of the major turning point in the earth's history, the boundary between the Cambrian and Precambrian periods.
`A well argued, readable text ... comprehensive in its coverage ... an original contribution to the literature on the early history of the metazoans ... entertaining and provocative.' Derek Briggs, University of Bristol.
The excitement of the investigator working on a frontier of science glows through the pages of this [volume].... It fills an important niche, and it will be found to be highly readable by all who are scientifically literate. -- "American Scientist"