The legendary Grey Seer Thanquol is plotting to poison the city of Altdorf with the noxious Wormstone and cement his legacy as the most cutthroat of all Skaven – he just has to contend with all the subordinates, superiors, smugglers, and mysterious sorcerers who stand before him.. C L Werner’s Grey Seer is returning in paperback, as one of the Black Library Reader’s Choice winners for 2024.