Charmed Life. Diana Wynne Jones

were no lessons after lunch that day. Mr Saunders explained that they always had Wednesday afternoons off. And at lunchtime, every molehill had gone. When they looked out of the playroom window, the lawn was like a sheet of velvet again.

      “I don’t believe it!” Gwendolen whispered to Cat. “It must be an illusion. They’re trying to make me feel small.”