Which C.S. Lewis book argues that modern society can undermine human nature through technological control?

The Abolition of Man is the C.S. Lewis book that argues technological control can undermine human nature.

Published in 1943, the book developed from three lectures Lewis delivered at the University of Durham. It begins as a criticism of approaches to education that treat moral judgments as merely subjective emotional reactions.

Lewis argues that moral values are real and that different cultures can recognize a common moral order, which he calls the Tao. He then considers the consequences of trying to conquer nature through technology. In his view, technological power may ultimately allow some people to control others so completely that humanity’s inherited moral nature is diminished.

The work is not a conventional science-fiction novel. It is a short philosophical and educational argument, and its title refers to the possible elimination of humanity’s defining moral qualities rather than to physical extinction alone.