Charles Darwin's Soil Fertility by Worms: Observations on Their Habits is a study that helps us better understand the important role worms play in the ecosystem and soil formation. This book opens the reader to the fascinating world of biology and provides interesting observations about the life habits of these small but extremely useful animals. Darwin examines in detail how worms affect soil structure, break down plant residues, and help maintain soil fertility. This book is a valuable source of knowledge for everyone who is interested in nature and its smallest inhabitants.