The book "Sparks: Song by Song" offers a detailed exploration of the fifty-year career of the band Sparks. It analyzes each album, every demo, and unreleased recording, highlighting the unique musicality that defines Sparks. With over twenty-five released albums and a variety of unreleased tracks, the band is known for its unpredictability and diversity. The author Ruud Swart, a longtime fan and expert on the band, discusses each studio recording in detail and provides insights into the creative development of the Mael brothers. This book is a comprehensive tribute to the extraordinary work of Sparks and is aimed at all who appreciate the band and its music.