Book excerpt: From the extraordinary architectural detail of the chambered nautilus to the varied hues of the senatorial scallop, Shells: Treasures of the Sea features approximately 300 color photographs of shells from all over the globe in all of their striking diversity. However, more than just the fancy of beachcombers and collectors, shells have been appreciated and valued for centuries by many societies. Shells: Treasures of the Sea traces the history of shells in fine art and native crafts, commerce and trade, adornment and worship through detailed and informative text and fascinating photographs. The science of shells has fascinated man since the early seventeenth century, and shells continue to rank high among today's collectibles. Shells: Treasures of the Sea includes information on early shell enthusiasts and the succession of collectors' "favorites" that have been prized and sought by serious collectors over the years. The book also features rare photographs, many published here for the first time, of the curious animals that create these elaborate shell homes. Information on the evolutionary history and classification of shells, as well as current data on collecting practices and conservation completes this splendid volume.