Walter J. Ong s classic work provides a fascinating insight into the social effects of oral, written, printed and electronic technologies, and their impact on philosophical, theological, scientific and literary thought.

This thirtieth anniversary edition coinciding with Ong s centenary year reproduces his best-known and most influential book in full and brings it up to date with two new exploratory essays by cultural writer and critic John Hartley.

Hartley provides:

• A scene-setting chapter that situates Ong s work within the historical and...