The book "The Book of Shells, Containing the Classes Mollusca, Crustacea, Annelid, Annelid, and Crustacea" belongs to the publications of the General Literature and Education Committee of the Society for the Advancement of Christian Knowledge (Great Britain). This book contains a huge database of various types of marine equipment, divided by the specified classes. Detailed descriptions and illustrations of various marine organisms allow readers to better understand the diversity and complexity of the natural world around us. This book is a source of useful information for anyone interested in nature and marine life.