Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This volume draws on disciplines as different as Psychology, Anthropology, History and Biology to explain when and why individuals act to promote their own self-interest and when they sacrifice their own outcomes so that others can benefit.