: He argues that tameness is not just a behavior but is rooted in genetics, specifically affecting developmental processes that make animals more cooperative and less aggressive.
: Analysis of less traditional domesticated animals, including camels, reindeer, and laboratory rats.
: The final three chapters focus on human evolution, attributing our success to "hypersociality" and cooperative behavior. Critical Reception En manos humanas (Spanish Edition) - Amazon.com
: Detailed looks at the evolution of dogs from wolves and the unique path of cat domestication.
The narrative is divided into chapters that act as individual case studies for different species: