The book investigates the evolving nature and increasing difficulties faced by the American presidency in the early 21st century. It examines how domestic and international pressures have reshaped the executive branch, exploring the constraints and opportunities available to modern presidents. The analysis draws upon historical context and contemporary political science to understand the challenges of leadership in a complex global environment.

The book is likely to be regarded as a serious academic analysis of the American presidency. Its focus on "new challenges" suggests an examination of contemporary issues and their historical roots. The subject matter points to a dense, specialist text aimed at students and scholars of political science and American history.