Bad Times and On the Tendency of Varieties to Depart Indefinitely from the Original Type

The Remedy for Unemployment

The Malay Archipelago: The Land of the Orang-utan and the Bird of Paradise; A Narrative of Travel with Studies of Man and Nature (Complete)

Island Life: The Phenomena and Causes of Insular Faunas and Floras

Travels on the Amazon

Is Mars Habitable? A Critical Examination of Professor Percival Lowell's Book "Mars and its Canals," with an Alternative Explanation

Man's Place in the Universe: A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds

Social Environment and Moral Progress

Contributions to the Theory of Natural Selection: A Series of Essays

The Wonderful Century: The Age of New Ideas in Science and Invention

The Ice Age: its Work and Effects

The Wonderful Century: Its Successes and Failures

Is Mars Habitable? A Critical Examination of Professor Percival Lowell's Book "Mars and its Canals," with an Alternative Explanation

Natural Selection and Tropical Nature Essays on Descriptive and Theoretical Biology

On the Tendency of Varieties to Depart Indefinitely From the Original Type

Man's Place in the Universe

Contributions to the Theory of Natural Selection

Alfred Russel Wallace: Letters and Reminiscences, Vol. 2: Volume 2

Alfred Russel Wallace: Letters and Reminiscences, Vol. 1: Volume 1