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Biological evolution is a fact—but the many conflicting theories of evolution remain controversial even today. When Adaptation and Natural Selection was first published in 1966, it struck a powerful blow against those who argued for the concept of group selection—the idea that evolution acts to select entire species rather than individuals. Williams’s famous work in favor of simple Darwinism over group selection has become a classic of science literature, valued for its thorough and convincing argument and its relevance to many fields outside of biology. Now with a new foreword by Richard Dawkins, Adaptation and Natural Selection is an essential text for understanding the nature of scientific debate.

Natural selection is an immense and important subject, yet there have been few attempts to summarize its effects on natural populations, and fewer still which discuss the problems of working with natural selection in the wild. These are the purposes of John Endler's book. In it, he discusses the methods and problems involved in the demonstration and measurement of natural selection, presents the critical evidence for its existence, and places it in an evolutionary perspective. Professor Endler finds that there are a remarkable number of direct demonstrations of selection in a wide variety of animals and plants. The distribution of observed magnitudes of selection in natural populations is surprisingly broad, and it overlaps extensively the range of values found in artificial selection. He argues that the common assumption that selection is usually weak in natural populations is no longer tenable, but that natural selection is only one component of the process of evolution; natural selection can explain the change of frequencies of variants, but not their origins.

A shocking biological discovery. A previously unknown predatory species. Evolving just like the dinosaurs. Now. Today. Being forced out of its world and into man's for a violent first encounter. Weaving science and thriller in a way not seen since Jurassic Park, Natural Selection introduces a phenomenally dangerous new species that is rapidly adapting in a way never before seen. A mystery. A chase. A vast expansive puzzle. A team of marine scientists is on the verge of making the most stunning discovery in the history of man. In their quest for answers, they engage a host of fascinating characters. The world's premier neurology expert. A specialist on animal teeth. Flight simulation wizards, evolution historians, deep sea geologists, and so many more. Along the way, the team of six men and women experience love, friendship, loyalty and betrayal. Together, they set off to exotic locales. Literally to the bottom of the ocean. To a vast and mysterious redwood forest. To an unknown complex of massive caves. When people start dying, the stakes are upped even further. Then the real hunt begins. . . . Loaded with astonishing action sequences, Natural Selection is that rare breed of thriller, filled with intricately layered research, real three-dimensional characters, and tornado pacing.

proposes an approach to evolution that is more in harmony with modern science than Darwinism or neo-Darwinism

The Nature of Selection is a straightforward, self-contained introduction to philosophical and biological problems in evolutionary theory. It presents a powerful analysis of the evolutionary concepts of natural selection, fitness, and adaptation and clarifies controversial issues concerning altruism, group selection, and the idea that organisms are survival machines built for the good of the genes that inhabit them. "Sober's is the answering philosophical voice, the voice of a first-rate philosopher and a knowledgeable student of contemporary evolutionary theory. His book merits broad attention among both communities. It should also inspire others to continue the conversation."-Philip Kitcher, Nature "Elliott Sober has made extraordinarily important contributions to our understanding of biological problems in evolutionary biology and causality. The Nature of Selection is a major contribution to understanding epistemological problems in evolutionary theory. I predict that it will have a long lasting place in the literature."-Richard C. Lewontin

An original, unpublished manuscript written before the Origin of Species which contains the references to journal articles and books that Darwin used in formulating his controversial ideas. This volume has been edited and annotated and includes a cross-indexing to the Origin.