Spice and Wolf is a Japanese light novel series written by Isuna Hasekura, which was later adapted into an anime. The story follows a traveling merchant named Kraft Lawrence who meets Holo, a wolf deity with the ability to take human form. Together, they embark on a journey filled with trade, adventure, and complex economic concepts, all set in a medieval fantasy world. The series is known for its unique blend of romance, economics, and folklore.