Princeton, NJ: Princeton University Press, 1987. Paperback. 354pp. Octavo [23.5 cm] White, black and brown pictorial wraps. Near fine. There is a previous owner's ink stamp on the half title page. Item #36960
From the rear cover- "This work is an overview of the extensive and frequently controversial literature on communally breeding birds developed since the early 1960s, when students of evolution began to examine sociality as a product of natural selection Jerram Brown provides original data from his own theoretical and empirical studies and summarizes the wide array of results and interpretations made by others."