For a presentation I am making about the evolution of technical documentation at a computing conference this summer, I'm seeking research about how people read and absorb information from books. Specifically, how it this activity have changed over the decades as radio and then TV became pervasive? Have people's expectations and ability to make their ways through linear expositions changed? ---------------------------------------------------------------------- Andy Oram O'Reilly & Associates email: andyo@oreilly.com Editor 90 Sherman Street voice: 617-499-7479 Cambridge, MA 02140-3233 fax: 617-661-1116 USA http://www.praxagora.com/andyo/ Stories at Web site: The Bug in the Seven Modules Code the Obscure The Disconnected ----------------------------------------------------------------------