The corners show signs of wear. This book titled "The Machine as Metaphor and Tool" by Herman Haken and Anders Karlqvist is a hardcover textbook written in English in the field of education and reference. It covers various aspects of the machine metaphor and its use as a tool in different contexts. The book is ideal for those interested in learning more about the history and significance of the machine metaphor in education and culture. It is a valuable resource for anyone looking to expand their knowledge in this area.