. . . . "The Book of Souls is the sixteenth studio album by English heavy metal band Iron Maiden, released on 4 September 2015. It is the band's first studio double album, and therefore also their longest to date, with a total length of 92 minutes."@en . . . . "5531.0"^^ . . "The Book of Souls"@en . . . "2015-09-04Z"^^ .