Examines the cosmological theories of the `natural philosophers' from Thales, Anaximander and Anaximenes to Plato, the Stoics and the NeoPlatonists. Also discusses and emphasizes the importance of Babylonian and Egyptian forerunners. `Wright's strength lies in her linguistic subtlety and her command of the changing vocabulary ... a successful and useful compendium, a handy source on ancient Greek cosmology and an excellent supplementary textbook for courses dealing with the origins and development of modern science.' - ?