This work investigates the stark disparity between the public morality of the Victorian era and the private sexual realities of its citizens. Ronald Pearsall, a historian specializing in Victorian social customs, utilizes a wide array of primary sources, including medical journals, police reports, and personal diaries, to construct a comprehensive analysis of the period's sexual landscape. He argues that the rigid societal expectations of the time fostered a clandestine environment where repression and indulgence coexisted in tension.

Historians and social researchers often cite this book as a foundational text for understanding the complexities of Victorian social history. Readers frequently note the dense, descriptive nature of the prose, which provides a vivid look at the era's hidden social dynamics.