The Sea by Leonard Engel, Copyright 1961, 1963  Ecology by Peter Farb, Copyright 1963  Explore the wonders of nature and science with these vintage Life Nature Library Books. This collection features a diverse range of nonfiction narratives on ecology, environment, and life sciences, written by mixed authors. The books are published by Time Life Books and are intended for young adults, ages 9-12, and adults who are interested in learning about the natural world. These hardcover books with a height of 11 inches and width of 8.5 inches are a vintage treasure. The books are inscribed-free and in the English language, making it accessible to a wide range of readers. Whether you are an enthusiast or a student, this collection of books promises to deliver an insightful reading experience.