THE BOOK OF ABBA: MELANCHOLY UNDERCOVER

More than half a century after their songs were recorded, ABBA still make people the world over dance and sing their hearts out. After interviewing the four members for an article in 2013 - at which time the band had not been interviewed for over thirty years - Jan Gradvall was granted unique access to them for the next decade. In The Book of ABBA, the band share their thoughts and opinions more o