"Introduction to Behavioral Endocrinology" by Randy J. Nelson and Lance J. Kriegsfeld is a comprehensive textbook published by Oxford University Press in 2016. This hardcover book covers the subject area of science, specifically focusing on life sciences, zoology, and ethology. With a total of 722 pages, it offers a detailed exploration of behavioral endocrinology, making it a valuable resource for students and professionals in the field. Written in English and originating from the United States, this textbook provides a thorough introduction to the complex relationship between behavior and hormones in animals.