Evolution Extinction Essays - Audio Cassette - Unabridged Author:Stephen Jay Gould, Jeff Riggenbach (Narrator) Essays by Stephen Jay Gould, including "The Episodic Nature of Evolutionary Change," "Natural Selection and the Human Brain," "Our Allotted Lifetimes," "The Wheel of Fortune and the Wedge of Progress," and others. — Now, for the first time, interested listeners and Gould fans can learn in one place, in just three hours, all about the complexities... more » of evolution, especially the role played by catastrophes and extinctions. This is the first time that these essays, an unabridged audiobook collection from his popular books, have been offered to the retail trade.