Two great titles. On Aggression and Behind the Mirror in this book lot.

Explore the fascinating world of animal behavior with the classic book "On Aggression" by Konrad Lorenz. This vintage hardcover edition, published in 1963, offers insightful observations on the instinctive drives and social behavior of various species. Written in English, the book delves into the complex nature of aggression and its role in the animal kingdom.

Discover the unique perspective of Konrad Lorenz, a pioneer in the field of animal behavior, as he shares his research and theories on the topic of aggression. This book is a must-have for anyone interested in the fascinating world of animal behavior.

See photos- Dust jacket has flaws but book is good