Marshall McLuhan’s Understanding Media is one of the great, unruly foundation texts of media theory.

This is the book that gives us “the medium is the message,” but also a much stranger and more expansive account of technology, communication, perception, nervous systems, social organisation and modern life. McLuhan’s central argument is not simply that media carry content, but that media reshape the conditions through which content, bodies, politics, habits and thought become possible in the first place. Print, radio, television, roads, money, clocks, cars, weapons, advertising: everything becomes a medium, and every medium becomes an extension of the human body.

It is a book of brilliant overreach, moving by aphorism, leap, analogy and provocation rather than neat academic argument, and the result still feels alive: prophetic, irritating, funny, slippery, very often right in ways that make the present feel less original than it would like to think. Essential for readers interested in media theory, technology, internet culture, cybernetics, communications, cultural studies, advertising, design, digital life, and the prehistory of basically every “the platform has changed our brains” argument currently circulating.

Routledge paperback. First published in England 1964; ARK Paperbacks edition 1987; this copy is the 1994 Routledge reprint. Good reading copy.