Found 2 books

Human Social Evolution

[en] Human Social Evolution OUP Us

Summers, Kyle, Crespi, Bernard & Crespi, Bernard

download read it!
Human Social Evolution. The Foundational Works of Richard D. Alexander

[en] Human Social Evolution. The Foundational Works of Richard D. Alexander Oxford University Press, USA

Summers, Kyle, Crespi, Bernard

download read it!