Olsen, Harriet, Principles of ethics / Harriet Olsen. - Forest Hills, New York : Willford Press, [2024] ©2024 - viii, 227 pages : illustrations ; 26 cm Includes index. ISBN: 9781647285647 Subjects--Topical Terms: Ethics.Values.Philosophy. LC Class. No.: BJ1012 / .O47 2024 Dewey Class. No.: 170