Valley of Gold bring back the mares of diomedes

The wolf could sense her there, she knew, for he stopped and looked around, and demanded to know who was there. She was tempted to stay hidden, to watch him longer, perhaps to move in wide circles around him, rustling the wheat some more and bothering him. But sometimes it was better not to bother big, scary wolves.

Oh, just your friendly neighborhood desert Djinn, she replied, stepping lightly out of her hiding place in the wheat. Sometimes this one comes in the form of a Coyote, yes? Now, what are your three wishes? She threw her head back and laughed, then, and looked at the wolf again, her dark brown beetle eyes twinkling with mirth.