Adolescence, like childhood, is more than a biologically defined life stage: it is also a sociohistorical construction. The meaning and experience of adolescence are reformulated according to societal needs, evolving scientific precepts, and national aspirations relative to historic conditions. Although adolescence was by no means a "discovery" of the early twentieth century, it did assume an identifiably modern form during the years between the Great War and 1950.

The Dominion of Youth: Adolescence and the Making of Modern Canada, 1920 to 1950 captures what it meant for...