Watch a new update from Pig Destroyer's recent time in the studio making their upcoming album, Book Burner, below. In it, the band reveal that Jason Netherton (Misery Index), Richard Johnson (Agoraphobic Nosebleed) and Kat Katz (Agoraphobic Nosebleed, ex-Salome) all contribute guest vocals to the record. The record is due out October 22 via Relapse and can be pre-ordered here. You can also check out our interview with electronics mastermind Blake Harrison here.