0195200004 Trade paperback binding. 9th printing (1978). Good. Light to moderate shelf wear to covers/corners; satisfaction guaranteed. Earthlight Books is a family owned and operated, independent bookstore serving Walla Walla, Washington since 1973.
This nontechnical description of modern genetics is based on the insight that replicating structures have a built-in drive for self-preservation. A fascinating and provocative popular account.