Book Reviews Topobiology. An Introduction to Molecular Embryology. Gerald M. Edelman. Basic Books, New York, 1988. xvi, 240 pp., illus. $21.95 + See all authors and affiliations Science 10 Mar 1989:Vol. 243, Issue 4896, pp. 1373-1374DOI: 10.1126/science.243.4896.1373 John GerhartFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.