This book investigates the creative evolution and cultural impact of the band U2 during their mid-1980s transition from stadium rock icons to global musical figures. The text serves as a companion to the 1988 concert film, utilizing the band's own reflections and behind-the-scenes documentation to contextualize their artistic trajectory. It examines the intersection of the band's Irish roots with their exploration of American musical traditions, specifically blues and gospel, during the Joshua Tree era.

Critics and fans view this volume as a primary source for understanding the band's aesthetic and philosophical outlook during a pivotal moment in their career. The book is frequently cited for its visual documentation of the era, providing a foundational look at the band's transition into mainstream superstardom.