The Great Silence: Science and Philosophy of Fermi's Paradox
Milan Cirkovic
A History of Ancient Mathematical Astronomy
O. Neugebauer
Concise Encyclopedia of Pragmatics
J. L. Mey
Making Conversation
Fred Dust
Encyclopedia of Irish History and Culture
James S. Donnelly
Play and Development: Evolutionary, Sociocultural, and Functional ...
Artin Göncü & Suzanne Gaskins