PETERSEN, Anders Klostergaard. Peter Turchin, Ultrasociety: How 10,000 Years of War Made Humans the Greatest Cooperators on Earth (Chaplin, CT: Beresta Books, 2015), 274 pp. ISBN: 978-0-99613-953-3. $18.95 pbk, $9.95 ePub; Kindle. Journal of Cognitive Historiography, [S. l.], v. 3, n. 1-2, p. 240–244, 2018. DOI: 10.1558/jch.33933. Disponível em: https://journal.equinoxpub.com/JCH/article/view/542.. Acesso em: 30 jun. 2024.