The Works of Charles Darwin: v. 28: Formation of Vegetable Mould, Through the Action of Worms, with Observations on Their Habits (1881)

The 28th volume in a 29-volume set which contain all Charles Darwin's published works. Darwin was one of the most influential figures of the 19th century. His work remains a central subject of study in the history of ideas, the history of science, zoology, botany, geology and evolution.