Hares don't talk. Everyone knows that. But the hare Harriet meets one morning in a corn circle in her father's wheatfield is a very unusual hare: a visitor from the far-off planet Pars, come to spend his holidays on Earth in the form of a talking hare.

Wiz, as Harriet names her magical new friend, can speak any language, transform himself into any shape - and, as the summer draws to its close, he has one last, lovely surprise in store for Harriet...