"English Naturalist and Geologist"! 23 Complete Works (On the Origin of Species, Voyage of the Beagle, Autobiography, Life and Letters, Volcanic Islands)" -subtitle.

Many works include a biographical chapter about Charles Darwin

A Monograph on the Subclass Cirripedia, with Figures of all the Species

Journal of Researches into the Natural History and Geology of the Countries Visited during the Voyage of H.M.S. Beagle Under the Command of Captain Fitz Roy, R.N.

Life and Letters of Charles Darwin

More Letters of Charles Darwin
Charles Darwin: His Life told in an Autobiographical Chapter, and in a selected Series of His Published Letters

On the Origin of Species

The Descent of Man and Selection in Relation to Sex

On the Origin of Species by Means of Natural Selection

The Autobiography of Charles Darwin

The Different forms of Flowers on Plants of the Same Species

The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom

The Expression of the Emotions in Man and Animals

The Formation of Vegetable Mould Through the Action of Worms

The Variation of Animals and Plants Under Domestication

The Movements and Habits of Climbing Plants

Volcanic Islands

Geological Observations on South America

Insectivorous Plants

The Foundations of the Origin of Species

The Origin of Species by Means of Natural Selection

Coral Reefs

The Power of Movements in Plants

The Voyage of the Beagle