Book Reviews: The Biology of Literature and The Roots of Literature by Walter A. Koch,1993. Bochum: Brockmeyer Verlag,pp. 288,ISBN 3 88339 740 7;pp. 256,ISBN 3 8196 0184 8 (Bochum publications in evolutionary cultural semiotics,vol. 14 & vol. 36)

Lieberman, P. (1991) Uniquely Human. The Evolution of Speech, Thought, and Selfless Behaviour. Cambridge, MA: Harvard University Press.

Lumsden, C.J. and Wilson, E.O. (1981) Genes, Mind. and Culture. The Coevolutionary Process . Cambridge, MA: Cambridge University Press.

Sebeok, T.A. (1972) Perspectives in Zoosemiotics. The Hague: Mouton.

Welsh, A. (1978) Roots of Lyric. Primitive Poetry and Modern Poetics . Princeton, NJ: Princeton University Press.

Wilson, E.O. (1978) On Human Nature. Cambridge, MA: Harvard University Press.