The Little Yokozuna is a Japanese fantasy novel written for young adults.

When a group of children is mysteriously transported from a museum garden into a fantastic world where myths, magic, and spirits of traditional Japan have come to life, they find escape isn't as simple as a phone call home. The children must win a desperate race against time to rescue the youngest sister from demon warriors - and discover who will stand against the demons with the spirit of a true sumo champion (Yokozuna) before they can return to their enchanted garden.

The dramatic adventures they share with their new Japanese friend Kiyoshi-clan set in a fantastic world of sumo wrestling, baseball, and temple gardens - offer a fascinating introduction to the magical aspects of Japanese culture.