Spice and Wolf Novel Volume 9 is written by Isuna Hasekura.

The capture of a narwhal and the ensuing power struggle between the northern and southern districts of Kerube has Lawrence caught in the middle! Backed into a corner by his own trade guild, can the merchant find a way to extricate himself from this delicate situation? And what of the wolf bone from Holo's pack? Can the Wisewolf of Yoitsu manage to keep her rage and frustration in check?