""Whales, Dolphins And Porpoises: A Sketch"" is a book written by Ernest Thompson Seton. The book provides an insightful look into the world of these magnificent marine mammals. Seton's writing style is engaging and informative, and he covers a wide range of topics related to whales, dolphins, and porpoises. The book is divided into several chapters, each of which explores a different aspect of these creatures. Seton discusses their physical characteristics,...