A pioneering work in the field of geological research, Henry Thomas De La Beche's Researches in Theoretical Geology is a comprehensive survey of geological phen

"Pleasure of imagination.... I a geologist have illdefined notion of land covered with ocean, former animals, slow force cracking surface &c truly poetical."--f

Media history is millions, even billions, of years old. That is the premise of this pioneering and provocative book, which argues that to adequately understand