Explains the continuing importance of Darwin's thinking, and explains why it still influences contemporary scholarship in many fields. This book presents fundamentals of Darwin's revolutionary thought.

I: The Autobiography; 1: Recollections of the Development of My Mind and Character; II: The Voyage of the Beagle; 2: Tierra del Fuego; 3: Galapagos Archipelago; 4: Coral Formations; 5: Reflections on the Voyage; III: The Origin of Species; 6: The Darwin-Wallace Essays of 1858; 7: The Variation of Organisms; 8: Natural Selection; 9: Difficulties of the Theory; 10: Geology and Geography; 11: Recapitulation and Conclusion; IV: The Descent of Man; 12: Outline of the Evidence; 13: The Races of Man; 14: Principles of Sexual Selection; 15: Secondary Sexual Characters of Birds; 16: Secondary Sexual Characters of Man; 17: General Summary and Conclusion; V: The Expression of the E1notions; 18: The Expression of the Emotions in Monkeys; 19: Special Expressions of Man: Blushing; 20: Concluding Remarks on Emotions; 21: Biographical Sketch of an Infant; VI: Plants and Worms; 22: The Movements and Habits of Climbing Plants; 23: Insectivorous Plants; 24: The Formation of Vegetable Mould