Basic Books, 1990. A personal account, sometimes divergent from James Watson's , by the co-discoverer of DNA structure. The book includes biographical material and Crick's thoughts on other scientific and theoretical issues in molecular biology. The Cartoon Guide to Genetics. Cartoons for all ages.
Some illustrations are helpful for class explanations of concepts.
Random House, 1977. A look at the both the people and ethical issues involved in the early days of genetic engineering . The Recombinant-DNA Debate. W.H. Freeman, 1979. Recounts the background and significance of the controversy over recombinant DNA research.