A series of bizarre deaths, attributed to a killer known only as the Poet, has rocked the City of Brotherly Love. His calling card is a scroll of human parchment engraved with toxic, blood-chilling pieces of verse. ... Only Jessica [FBI Medical Examiner] has the insight to read between the Poet's lines, to decipher his unfathomable goal--and to discover why his young victims offered, so willingly, their dying flesh to a madman.