The book "New Conscience and Old Evil" by the famous American social activist Jane Addams is a collection of her essays, where she expresses her thoughts and views on the problems of global military conflict, violence and social inequalities. The author examines the issue of internal conscience and state governance, emphasizing the importance of individual responsibility and active civic participation in eliminating evil in the world. Jane Addams' book is noted for its reasoned arguments that encourage readers to improve themselves and change their worldview to create a better society.