This biography investigates the complex intersection between John Milton's personal life, his political convictions, and the creation of his major poetic works. A.N. Wilson utilizes historical records and contemporary accounts to construct a portrait of the poet that moves beyond traditional hagiography. The text argues that Milton's character, often viewed through the lens of his religious and political radicalism, is essential to interpreting the nuances of his literary output.

Critics often note that Wilson provides a highly readable and humanizing account of a figure frequently relegated to academic abstraction. Scholars appreciate the integration of historical context, though some debate the author's specific interpretations of Milton's private motivations.