Theodore Roosevelt's multifaceted life is explored through seven distinct 'worlds' that shaped his career and character. Wagenknecht, a noted literary critic and biographer, examines Roosevelt's experiences and impact across seven key spheres: action, thought, human relations, family life, spiritual values, public affairs, and the complexities of war and peace. This biographical approach aims to provide a comprehensive understanding of the former president by dissecting his life into these thematic realms, offering insights into the man behind the public persona.

The book is structured to offer a comprehensive view of Theodore Roosevelt's life by dividing it into seven distinct thematic areas. This approach allows for a detailed examination of his public and private spheres, from his adventurous exploits to his intellectual pursuits and political career. The author's critical lens provides a nuanced perspective on Roosevelt's impact and character. The work is likely to appeal to readers interested in a structured, analytical biography of a significant American historical figure.