Abstract
As the title indicates, Sprague’s book is concerned with the "theoretical background" of Plato’s conception of the philosopher-king. This theoretical intention is explained in the preface to consist in focusing on the philosopher-king "as man of art or science, rather than as head of state". It is never quite clear in her account, however, how such a distinction between a theoretical and a political framework is justified. As Sprague’s own discussion in the later portions of the book testifies, the philosophical statesman’s art cannot really be separated from his function as the head of a state.