Coyote, Buffalo, and the Rock: An Adaptation of a Traditional Native American Folktale (Told by the Sioux of the Great Plains)

Coyote, Buffalo, and the Rock is an adaptation of a traditional Native American folktale told by the Sioux of the Great Plains. In the story, Coyote gives the gift of a blanket to a rock as he takes a walk with buffalo.  When it gets cold and rains, Coyote takes it back.  But the rock objects and chases after him.  What will happen when rock finally catches him and teaches him a lesson?