Into darkness - Miller, Stephen G. (Stephen Gaylord), 1942-2021 (Fotolio, 2020)
p. [9]. Into darkness - Prologue. This book is an attempt to bring toghther what I believe to be the several convergent causes of the Dark Ages of the seventh and eight centuries after Christ. As a whole, they caused the culture and civilization of the ancient world to collapse. Climate change, erosion, drought, famine, plague, and - yes - even barbarians all played a role, but the presence of each of those elements in emphatic form all within a generation will be seen as the neccesary ingredients for a worl-wide disaster. [...]