"The Depths" is the eighth book in the "Eyes and No Eyes" series by Cassell Publishing House, written by the author R. Cadwallader Smith. In this fascinating book, the author explores and describes the mysterious world of the underwater depths, revealing all its inhabitants. Readers will have the opportunity to delve into the ocean waters and learn about the unusual life forms that exist on the bottom. The book "Deeps" gives a unique opportunity to see the world under water through the eyes of a real researcher and discoverer.