Spice and Wolf manga volume 12 features story by Isuna Hasekura and art by Keito Koume.

Lawrence and Holo's long journey to Yoitsu is finally approaching its conclusion. Having arrived in the town of Lenos, they encounter a jolly bookseller named Le Roi--but is he truly the fool he seems? They're closer than ever to laying their hands on a forbidden tome whose contents threaten to transform Holo's homelands, but in the world of merchants, sometimes the only one you can trust is yourself...