The book "Walk Away" by Betascript Publishing offers a comprehensive analysis of the song of the same name by Kelly Clarkson, which can be found on her second album "Breakaway." Released as the fifth and final single from the album, the song has established itself as a significant work in Clarkson's discography. With a gold certification from the RIAA and over 1.1 million digital copies sold in the U.S. by 2010, the book reflects the cultural and musical relevance of the song. The authors explore the themes of the song, which Clarkson describes as a kind of anthem encouraging people to draw a line in difficult situations. The content is primarily sourced from Wikipedia and other free resources, providing the reader with a broad overview of the background and significance of the song.