"The Seas and Their Shells" is a comprehensive collector's guide to the seashells of the world, presented in a hardcover format with illustrations by Sergio Angeletti. The book, published by Knopf Doubleday Publishing Group, delves into the nature and beauty of seashells, offering readers a detailed exploration of shells from different seas. Written in both Italian and English, this 334-page book is a must-have for collectors and enthusiasts interested in the world of seashells.